Finding the Fourth Proportional to 247,882.20, 371,832.11 and 79,380.63
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Solution
The fourth proportional to 247,882.20, 371,832.11 and 79,380.63 is: 119,073.76
Step by Step Solution
- Step 1: Write the proportion equation
247,882.20 : 371,832.11 = 79,380.63 : x - Step 2: Convert to fraction form
247,882.20/371,832.11 = 79,380.63/x - Step 3: Cross multiply
247,882.20x = 371,832.11 × 79,380.63 - Step 4: Simplify right side
247,882.20x = 29,516,266,749.13 - Step 5: Solve for x
x = 29,516,266,749.13/247,882.20 - Step 6: Final answer
x = 119,073.76
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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.