Home / 238,707.87-329,410.28-131,277.90

Finding the Fourth Proportional to 238,707.87, 329,410.28 and 131,277.90

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Solution

The fourth proportional to 238,707.87, 329,410.28 and 131,277.90 is: 181,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,707.87 : 329,410.28 = 131,277.90 : x
  2. Step 2: Convert to fraction form
    238,707.87/329,410.28 = 131,277.90/x
  3. Step 3: Cross multiply
    238,707.87x = 329,410.28 × 131,277.90
  4. Step 4: Simplify right side
    238,707.87x = 43,244,290,125.01
  5. Step 5: Solve for x
    x = 43,244,290,125.01/238,707.87
  6. Step 6: Final answer
    x = 181,159.88

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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.