Finding the Fourth Proportional to 173,658.11, 239,418.46 and 125,219.50
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Solution
The fourth proportional to 173,658.11, 239,418.46 and 125,219.50 is: 172,637.26
Step by Step Solution
- Step 1: Write the proportion equation
173,658.11 : 239,418.46 = 125,219.50 : x - Step 2: Convert to fraction form
173,658.11/239,418.46 = 125,219.50/x - Step 3: Cross multiply
173,658.11x = 239,418.46 × 125,219.50 - Step 4: Simplify right side
173,658.11x = 29,979,858,940.38 - Step 5: Solve for x
x = 29,979,858,940.38/173,658.11 - Step 6: Final answer
x = 172,637.26
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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.