Finding the Fourth Proportional to 238,134.38, 357,201.57 and 71,922.38
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Solution
The fourth proportional to 238,134.38, 357,201.57 and 71,922.38 is: 107,883.56
Step by Step Solution
- Step 1: Write the proportion equation
238,134.38 : 357,201.57 = 71,922.38 : x - Step 2: Convert to fraction form
238,134.38/357,201.57 = 71,922.38/x - Step 3: Cross multiply
238,134.38x = 357,201.57 × 71,922.38 - Step 4: Simplify right side
238,134.38x = 25,690,785,268.13 - Step 5: Solve for x
x = 25,690,785,268.13/238,134.38 - Step 6: Final answer
x = 107,883.56
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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.