Finding the Fourth Proportional to 372,119.68, 557,475.20 and 219,861.42
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Solution
The fourth proportional to 372,119.68, 557,475.20 and 219,861.42 is: 329,375.99
Step by Step Solution
- Step 1: Write the proportion equation
372,119.68 : 557,475.20 = 219,861.42 : x - Step 2: Convert to fraction form
372,119.68/557,475.20 = 219,861.42/x - Step 3: Cross multiply
372,119.68x = 557,475.20 × 219,861.42 - Step 4: Simplify right side
372,119.68x = 122,567,289,086.78 - Step 5: Solve for x
x = 122,567,289,086.78/372,119.68 - Step 6: Final answer
x = 329,375.99
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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.