Home / 231,965.28-348,531.12-147,763.32

Finding the Fourth Proportional to 231,965.28, 348,531.12 and 147,763.32

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Solution

The fourth proportional to 231,965.28, 348,531.12 and 147,763.32 is: 222,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,965.28 : 348,531.12 = 147,763.32 : x
  2. Step 2: Convert to fraction form
    231,965.28/348,531.12 = 147,763.32/x
  3. Step 3: Cross multiply
    231,965.28x = 348,531.12 × 147,763.32
  4. Step 4: Simplify right side
    231,965.28x = 51,500,115,414.52
  5. Step 5: Solve for x
    x = 51,500,115,414.52/231,965.28
  6. Step 6: Final answer
    x = 222,016.48

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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.