Finding the Fourth Proportional to 247,519.68, 371,279.04 and 89,747.68
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Solution
The fourth proportional to 247,519.68, 371,279.04 and 89,747.68 is: 134,621.35
Step by Step Solution
- Step 1: Write the proportion equation
247,519.68 : 371,279.04 = 89,747.68 : x - Step 2: Convert to fraction form
247,519.68/371,279.04 = 89,747.68/x - Step 3: Cross multiply
247,519.68x = 371,279.04 × 89,747.68 - Step 4: Simplify right side
247,519.68x = 33,321,432,472.63 - Step 5: Solve for x
x = 33,321,432,472.63/247,519.68 - Step 6: Final answer
x = 134,621.35
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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.