Home / 422,061.09-582,444.03-231,074.43

Finding the Fourth Proportional to 422,061.09, 582,444.03 and 231,074.43

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Solution

The fourth proportional to 422,061.09, 582,444.03 and 231,074.43 is: 318,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,061.09 : 582,444.03 = 231,074.43 : x
  2. Step 2: Convert to fraction form
    422,061.09/582,444.03 = 231,074.43/x
  3. Step 3: Cross multiply
    422,061.09x = 582,444.03 × 231,074.43
  4. Step 4: Simplify right side
    422,061.09x = 134,587,922,239.15
  5. Step 5: Solve for x
    x = 134,587,922,239.15/422,061.09
  6. Step 6: Final answer
    x = 318,882.56

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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.