Finding the Fourth Proportional to 386,124.62, 532,536.02 and 271,781.78
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Solution
The fourth proportional to 386,124.62, 532,536.02 and 271,781.78 is: 374,836.46
Step by Step Solution
- Step 1: Write the proportion equation
386,124.62 : 532,536.02 = 271,781.78 : x - Step 2: Convert to fraction form
386,124.62/532,536.02 = 271,781.78/x - Step 3: Cross multiply
386,124.62x = 532,536.02 × 271,781.78 - Step 4: Simplify right side
386,124.62x = 144,733,583,408.13 - Step 5: Solve for x
x = 144,733,583,408.13/386,124.62 - Step 6: Final answer
x = 374,836.46
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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.