Finding the Fourth Proportional to 498,375.84, 687,756.24 and 272,020.80
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Solution
The fourth proportional to 498,375.84, 687,756.24 and 272,020.80 is: 375,387.38
Step by Step Solution
- Step 1: Write the proportion equation
498,375.84 : 687,756.24 = 272,020.80 : x - Step 2: Convert to fraction form
498,375.84/687,756.24 = 272,020.80/x - Step 3: Cross multiply
498,375.84x = 687,756.24 × 272,020.80 - Step 4: Simplify right side
498,375.84x = 187,084,002,609.79 - Step 5: Solve for x
x = 187,084,002,609.79/498,375.84 - Step 6: Final answer
x = 375,387.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.