Finding the Fourth Proportional to 215,318.05, 297,119.57 and 124,680.15
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Solution
The fourth proportional to 215,318.05, 297,119.57 and 124,680.15 is: 172,047.41
Step by Step Solution
- Step 1: Write the proportion equation
215,318.05 : 297,119.57 = 124,680.15 : x - Step 2: Convert to fraction form
215,318.05/297,119.57 = 124,680.15/x - Step 3: Cross multiply
215,318.05x = 297,119.57 × 124,680.15 - Step 4: Simplify right side
215,318.05x = 37,044,911,932.13 - Step 5: Solve for x
x = 37,044,911,932.13/215,318.05 - Step 6: Final answer
x = 172,047.41
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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.