Finding the Fourth Proportional to 498,540.62, 687,982.46 and 272,186.12
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Solution
The fourth proportional to 498,540.62, 687,982.46 and 272,186.12 is: 375,614.88
Step by Step Solution
- Step 1: Write the proportion equation
498,540.62 : 687,982.46 = 272,186.12 : x - Step 2: Convert to fraction form
498,540.62/687,982.46 = 272,186.12/x - Step 3: Cross multiply
498,540.62x = 687,982.46 × 272,186.12 - Step 4: Simplify right side
498,540.62x = 187,259,271,614.61 - Step 5: Solve for x
x = 187,259,271,614.61/498,540.62 - Step 6: Final answer
x = 375,614.88
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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.