Finding the Fourth Proportional to 656,327.80, 984,491.70 and 157,691.80
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Solution
The fourth proportional to 656,327.80, 984,491.70 and 157,691.80 is: 236,537.70
Step by Step Solution
- Step 1: Write the proportion equation
656,327.80 : 984,491.70 = 157,691.80 : x - Step 2: Convert to fraction form
656,327.80/984,491.70 = 157,691.80/x - Step 3: Cross multiply
656,327.80x = 984,491.70 × 157,691.80 - Step 4: Simplify right side
656,327.80x = 155,246,268,258.06 - Step 5: Solve for x
x = 155,246,268,258.06/656,327.80 - Step 6: Final answer
x = 236,537.70
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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.