Finding the Fourth Proportional to 486,531.36, 671,413.68 and 271,671.12
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Solution
The fourth proportional to 486,531.36, 671,413.68 and 271,671.12 is: 374,906.37
Step by Step Solution
- Step 1: Write the proportion equation
486,531.36 : 671,413.68 = 271,671.12 : x - Step 2: Convert to fraction form
486,531.36/671,413.68 = 271,671.12/x - Step 3: Cross multiply
486,531.36x = 671,413.68 × 271,671.12 - Step 4: Simplify right side
486,531.36x = 182,403,706,428.92 - Step 5: Solve for x
x = 182,403,706,428.92/486,531.36 - Step 6: Final answer
x = 374,906.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.