Finding the Fourth Proportional to 316,490.98, 436,757.52 and 173,251.12
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Solution
The fourth proportional to 316,490.98, 436,757.52 and 173,251.12 is: 239,086.53
Step by Step Solution
- Step 1: Write the proportion equation
316,490.98 : 436,757.52 = 173,251.12 : x - Step 2: Convert to fraction form
316,490.98/436,757.52 = 173,251.12/x - Step 3: Cross multiply
316,490.98x = 436,757.52 × 173,251.12 - Step 4: Simplify right side
316,490.98x = 75,668,729,508.42 - Step 5: Solve for x
x = 75,668,729,508.42/316,490.98 - Step 6: Final answer
x = 239,086.53
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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.