Finding the Fourth Proportional to 361,350.20, 542,151.06 and 161,691.68
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Solution
The fourth proportional to 361,350.20, 542,151.06 and 161,691.68 is: 242,593.79
Step by Step Solution
- Step 1: Write the proportion equation
361,350.20 : 542,151.06 = 161,691.68 : x - Step 2: Convert to fraction form
361,350.20/542,151.06 = 161,691.68/x - Step 3: Cross multiply
361,350.20x = 542,151.06 × 161,691.68 - Step 4: Simplify right side
361,350.20x = 87,661,315,705.18 - Step 5: Solve for x
x = 87,661,315,705.18/361,350.20 - Step 6: Final answer
x = 242,593.79
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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.