Finding the Fourth Proportional to 486,151.20, 729,226.80 and 131,201.10
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Solution
The fourth proportional to 486,151.20, 729,226.80 and 131,201.10 is: 196,801.65
Step by Step Solution
- Step 1: Write the proportion equation
486,151.20 : 729,226.80 = 131,201.10 : x - Step 2: Convert to fraction form
486,151.20/729,226.80 = 131,201.10/x - Step 3: Cross multiply
486,151.20x = 729,226.80 × 131,201.10 - Step 4: Simplify right side
486,151.20x = 95,675,358,309.48 - Step 5: Solve for x
x = 95,675,358,309.48/486,151.20 - Step 6: Final answer
x = 196,801.65
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Similar ratio
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1.5x scale
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.