Finding the Fourth Proportional to 250,337.13, 345,463.02 and 135,613.19
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Solution
The fourth proportional to 250,337.13, 345,463.02 and 135,613.19 is: 187,144.99
Step by Step Solution
- Step 1: Write the proportion equation
250,337.13 : 345,463.02 = 135,613.19 : x - Step 2: Convert to fraction form
250,337.13/345,463.02 = 135,613.19/x - Step 3: Cross multiply
250,337.13x = 345,463.02 × 135,613.19 - Step 4: Simplify right side
250,337.13x = 46,849,340,441.92 - Step 5: Solve for x
x = 46,849,340,441.92/250,337.13 - Step 6: Final answer
x = 187,144.99
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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.