Finding the Fourth Proportional to 247,517.72, 371,217.09 and 114,269.99
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Solution
The fourth proportional to 247,517.72, 371,217.09 and 114,269.99 is: 171,377.52
Step by Step Solution
- Step 1: Write the proportion equation
247,517.72 : 371,217.09 = 114,269.99 : x - Step 2: Convert to fraction form
247,517.72/371,217.09 = 114,269.99/x - Step 3: Cross multiply
247,517.72x = 371,217.09 × 114,269.99 - Step 4: Simplify right side
247,517.72x = 42,418,971,306.04 - Step 5: Solve for x
x = 42,418,971,306.04/247,517.72 - Step 6: Final answer
x = 171,377.52
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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.