Finding the Fourth Proportional to 173,654.13, 239,412.98 and 125,215.53
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Solution
The fourth proportional to 173,654.13, 239,412.98 and 125,215.53 is: 172,631.79
Step by Step Solution
- Step 1: Write the proportion equation
173,654.13 : 239,412.98 = 125,215.53 : x - Step 2: Convert to fraction form
173,654.13/239,412.98 = 125,215.53/x - Step 3: Cross multiply
173,654.13x = 239,412.98 × 125,215.53 - Step 4: Simplify right side
173,654.13x = 29,978,223,179.58 - Step 5: Solve for x
x = 29,978,223,179.58/173,654.13 - Step 6: Final answer
x = 172,631.79
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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.