Finding the Fourth Proportional to 296,488.26, 444,744.70 and 86,126.20
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Solution
The fourth proportional to 296,488.26, 444,744.70 and 86,126.20 is: 129,192.88
Step by Step Solution
- Step 1: Write the proportion equation
296,488.26 : 444,744.70 = 86,126.20 : x - Step 2: Convert to fraction form
296,488.26/444,744.70 = 86,126.20/x - Step 3: Cross multiply
296,488.26x = 444,744.70 × 86,126.20 - Step 4: Simplify right side
296,488.26x = 38,304,170,981.14 - Step 5: Solve for x
x = 38,304,170,981.14/296,488.26 - Step 6: Final answer
x = 129,192.88
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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.