Finding the Fourth Proportional to 256,758.28, 354,375.42 and 172,023.08
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Solution
The fourth proportional to 256,758.28, 354,375.42 and 172,023.08 is: 237,424.68
Step by Step Solution
- Step 1: Write the proportion equation
256,758.28 : 354,375.42 = 172,023.08 : x - Step 2: Convert to fraction form
256,758.28/354,375.42 = 172,023.08/x - Step 3: Cross multiply
256,758.28x = 354,375.42 × 172,023.08 - Step 4: Simplify right side
256,758.28x = 60,960,751,224.69 - Step 5: Solve for x
x = 60,960,751,224.69/256,758.28 - Step 6: Final answer
x = 237,424.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.