Finding the Fourth Proportional to 481,149.14, 720,285.75 and 291,034.17
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Solution
The fourth proportional to 481,149.14, 720,285.75 and 291,034.17 is: 435,681.48
Step by Step Solution
- Step 1: Write the proportion equation
481,149.14 : 720,285.75 = 291,034.17 : x - Step 2: Convert to fraction form
481,149.14/720,285.75 = 291,034.17/x - Step 3: Cross multiply
481,149.14x = 720,285.75 × 291,034.17 - Step 4: Simplify right side
481,149.14x = 209,627,765,414.08 - Step 5: Solve for x
x = 209,627,765,414.08/481,149.14 - Step 6: Final answer
x = 435,681.48
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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.