Finding the Fourth Proportional to 173,655.13, 239,414.36 and 125,216.53
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Solution
The fourth proportional to 173,655.13, 239,414.36 and 125,216.53 is: 172,633.17
Step by Step Solution
- Step 1: Write the proportion equation
173,655.13 : 239,414.36 = 125,216.53 : x - Step 2: Convert to fraction form
173,655.13/239,414.36 = 125,216.53/x - Step 3: Cross multiply
173,655.13x = 239,414.36 × 125,216.53 - Step 4: Simplify right side
173,655.13x = 29,978,635,391.37 - Step 5: Solve for x
x = 29,978,635,391.37/173,655.13 - Step 6: Final answer
x = 172,633.17
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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.