Finding the Fourth Proportional to 250,299.24, 345,414.18 and 137,122.04
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Solution
The fourth proportional to 250,299.24, 345,414.18 and 137,122.04 is: 189,229.09
Step by Step Solution
- Step 1: Write the proportion equation
250,299.24 : 345,414.18 = 137,122.04 : x - Step 2: Convert to fraction form
250,299.24/345,414.18 = 137,122.04/x - Step 3: Cross multiply
250,299.24x = 345,414.18 × 137,122.04 - Step 4: Simplify right side
250,299.24x = 47,363,897,006.53 - Step 5: Solve for x
x = 47,363,897,006.53/250,299.24 - Step 6: Final answer
x = 189,229.09
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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.