in proportion: having the correct relationship of size, quantity, or degree to something else, or remaining in the same relationship when things change The fall in price led to a proportionate rise in sales.
transitive verb (past and past participlepro·por·tion·at·ed, present participlepro·por·tion·at·ing, 3rd person present singularpro·por·tion·ates) [ prə páwrsh'n ayt ]
Definition:
make things proportional: to give two or more things the correct relationship of size, quantity, or degree
[14th century. < late Latin proportionatus< Latin proportion- (see proportion)]