Finding the Fourth Proportional to 656,519.12, 984,778.68 and 157,883.12
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Solution
The fourth proportional to 656,519.12, 984,778.68 and 157,883.12 is: 236,824.68
Step by Step Solution
- Step 1: Write the proportion equation
656,519.12 : 984,778.68 = 157,883.12 : x - Step 2: Convert to fraction form
656,519.12/984,778.68 = 157,883.12/x - Step 3: Cross multiply
656,519.12x = 984,778.68 × 157,883.12 - Step 4: Simplify right side
656,519.12x = 155,479,930,507.88 - Step 5: Solve for x
x = 155,479,930,507.88/656,519.12 - Step 6: Final answer
x = 236,824.68
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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.