Finding the Fourth Proportional to 656,379.12, 984,568.44 and 157,743.12
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Solution
The fourth proportional to 656,379.12, 984,568.44 and 157,743.12 is: 236,614.62
Step by Step Solution
- Step 1: Write the proportion equation
656,379.12 : 984,568.44 = 157,743.12 : x - Step 2: Convert to fraction form
656,379.12/984,568.44 = 157,743.12/x - Step 3: Cross multiply
656,379.12x = 984,568.44 × 157,743.12 - Step 4: Simplify right side
656,379.12x = 155,308,897,579.13 - Step 5: Solve for x
x = 155,308,897,579.13/656,379.12 - Step 6: Final answer
x = 236,614.62
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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.