Finding the Fourth Proportional to 486,489.12, 671,274.88 and 271,594.52
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Solution
The fourth proportional to 486,489.12, 671,274.88 and 271,594.52 is: 374,755.72
Step by Step Solution
- Step 1: Write the proportion equation
486,489.12 : 671,274.88 = 271,594.52 : x - Step 2: Convert to fraction form
486,489.12/671,274.88 = 271,594.52/x - Step 3: Cross multiply
486,489.12x = 671,274.88 × 271,594.52 - Step 4: Simplify right side
486,489.12x = 182,314,578,821.66 - Step 5: Solve for x
x = 182,314,578,821.66/486,489.12 - Step 6: Final answer
x = 374,755.72
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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.