Finding the Fourth Proportional to 247,591.83, 371,136.49 and 140,755.08
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Solution
The fourth proportional to 247,591.83, 371,136.49 and 140,755.08 is: 210,989.78
Step by Step Solution
- Step 1: Write the proportion equation
247,591.83 : 371,136.49 = 140,755.08 : x - Step 2: Convert to fraction form
247,591.83/371,136.49 = 140,755.08/x - Step 3: Cross multiply
247,591.83x = 371,136.49 × 140,755.08 - Step 4: Simplify right side
247,591.83x = 52,239,344,597.22 - Step 5: Solve for x
x = 52,239,344,597.22/247,591.83 - Step 6: Final answer
x = 210,989.78
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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.