Finding the Fourth Proportional to 247,714.70, 371,572.05 and 129,616.70
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Solution
The fourth proportional to 247,714.70, 371,572.05 and 129,616.70 is: 194,425.05
Step by Step Solution
- Step 1: Write the proportion equation
247,714.70 : 371,572.05 = 129,616.70 : x - Step 2: Convert to fraction form
247,714.70/371,572.05 = 129,616.70/x - Step 3: Cross multiply
247,714.70x = 371,572.05 × 129,616.70 - Step 4: Simplify right side
247,714.70x = 48,161,942,933.24 - Step 5: Solve for x
x = 48,161,942,933.24/247,714.70 - Step 6: Final answer
x = 194,425.05
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1.5x scale
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.