Finding the Fourth Proportional to 656,399.14, 984,204.95 and 256,563.70
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Solution
The fourth proportional to 656,399.14, 984,204.95 and 256,563.70 is: 384,691.64
Step by Step Solution
- Step 1: Write the proportion equation
656,399.14 : 984,204.95 = 256,563.70 : x - Step 2: Convert to fraction form
656,399.14/984,204.95 = 256,563.70/x - Step 3: Cross multiply
656,399.14x = 984,204.95 × 256,563.70 - Step 4: Simplify right side
656,399.14x = 252,511,259,786.98 - Step 5: Solve for x
x = 252,511,259,786.98/656,399.14 - Step 6: Final answer
x = 384,691.64
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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.