Finding the Fourth Proportional to 353,029.17, 487,414.86 and 271,211.70
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Solution
The fourth proportional to 353,029.17, 487,414.86 and 271,211.70 is: 374,452.39
Step by Step Solution
- Step 1: Write the proportion equation
353,029.17 : 487,414.86 = 271,211.70 : x - Step 2: Convert to fraction form
353,029.17/487,414.86 = 271,211.70/x - Step 3: Cross multiply
353,029.17x = 487,414.86 × 271,211.70 - Step 4: Simplify right side
353,029.17x = 132,192,613,596.62 - Step 5: Solve for x
x = 132,192,613,596.62/353,029.17 - Step 6: Final answer
x = 374,452.39
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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.