Finding the Fourth Proportional to 387,934.44, 582,169.25 and 135,217.05
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Solution
The fourth proportional to 387,934.44, 582,169.25 and 135,217.05 is: 202,918.85
Step by Step Solution
- Step 1: Write the proportion equation
387,934.44 : 582,169.25 = 135,217.05 : x - Step 2: Convert to fraction form
387,934.44/582,169.25 = 135,217.05/x - Step 3: Cross multiply
387,934.44x = 582,169.25 × 135,217.05 - Step 4: Simplify right side
387,934.44x = 78,719,208,585.71 - Step 5: Solve for x
x = 78,719,208,585.71/387,934.44 - Step 6: Final answer
x = 202,918.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.