Finding the Fourth Proportional to 250,287.14, 345,391.62 and 137,109.08
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Solution
The fourth proportional to 250,287.14, 345,391.62 and 137,109.08 is: 189,207.99
Step by Step Solution
- Step 1: Write the proportion equation
250,287.14 : 345,391.62 = 137,109.08 : x - Step 2: Convert to fraction form
250,287.14/345,391.62 = 137,109.08/x - Step 3: Cross multiply
250,287.14x = 345,391.62 × 137,109.08 - Step 4: Simplify right side
250,287.14x = 47,356,327,257.91 - Step 5: Solve for x
x = 47,356,327,257.91/250,287.14 - Step 6: Final answer
x = 189,207.99
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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.