Finding the Fourth Proportional to 381,608.38, 572,451.76 and 101,125.62
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Solution
The fourth proportional to 381,608.38, 572,451.76 and 101,125.62 is: 151,698.82
Step by Step Solution
- Step 1: Write the proportion equation
381,608.38 : 572,451.76 = 101,125.62 : x - Step 2: Convert to fraction form
381,608.38/572,451.76 = 101,125.62/x - Step 3: Cross multiply
381,608.38x = 572,451.76 × 101,125.62 - Step 4: Simplify right side
381,608.38x = 57,889,539,150.09 - Step 5: Solve for x
x = 57,889,539,150.09/381,608.38 - Step 6: Final answer
x = 151,698.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.