Finding the Fourth Proportional to 173,654.88, 239,414.01 and 125,216.28
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Solution
The fourth proportional to 173,654.88, 239,414.01 and 125,216.28 is: 172,632.82
Step by Step Solution
- Step 1: Write the proportion equation
173,654.88 : 239,414.01 = 125,216.28 : x - Step 2: Convert to fraction form
173,654.88/239,414.01 = 125,216.28/x - Step 3: Cross multiply
173,654.88x = 239,414.01 × 125,216.28 - Step 4: Simplify right side
173,654.88x = 29,978,531,712.08 - Step 5: Solve for x
x = 29,978,531,712.08/173,654.88 - Step 6: Final answer
x = 172,632.82
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1.5x scale
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.