Home / 238,919.18-329,708.52-131,489.24

Finding the Fourth Proportional to 238,919.18, 329,708.52 and 131,489.24

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Solution

The fourth proportional to 238,919.18, 329,708.52 and 131,489.24 is: 181,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,919.18 : 329,708.52 = 131,489.24 : x
  2. Step 2: Convert to fraction form
    238,919.18/329,708.52 = 131,489.24/x
  3. Step 3: Cross multiply
    238,919.18x = 329,708.52 × 131,489.24
  4. Step 4: Simplify right side
    238,919.18x = 43,353,122,716.32
  5. Step 5: Solve for x
    x = 43,353,122,716.32/238,919.18
  6. Step 6: Final answer
    x = 181,455.18

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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.