Finding the Fourth Proportional to 207,666.99, 311,367.41 and 87,691.44
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Solution
The fourth proportional to 207,666.99, 311,367.41 and 87,691.44 is: 131,480.97
Step by Step Solution
- Step 1: Write the proportion equation
207,666.99 : 311,367.41 = 87,691.44 : x - Step 2: Convert to fraction form
207,666.99/311,367.41 = 87,691.44/x - Step 3: Cross multiply
207,666.99x = 311,367.41 × 87,691.44 - Step 4: Simplify right side
207,666.99x = 27,304,257,609.98 - Step 5: Solve for x
x = 27,304,257,609.98/207,666.99 - Step 6: Final answer
x = 131,480.97
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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.