Finding the Fourth Proportional to 656,397.12, 984,595.44 and 157,761.12
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Solution
The fourth proportional to 656,397.12, 984,595.44 and 157,761.12 is: 236,641.62
Step by Step Solution
- Step 1: Write the proportion equation
656,397.12 : 984,595.44 = 157,761.12 : x - Step 2: Convert to fraction form
656,397.12/984,595.44 = 157,761.12/x - Step 3: Cross multiply
656,397.12x = 984,595.44 × 157,761.12 - Step 4: Simplify right side
656,397.12x = 155,330,879,361.29 - Step 5: Solve for x
x = 155,330,879,361.29/656,397.12 - Step 6: Final answer
x = 236,641.62
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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.