Home / 238,781.24-329,518.87-131,359.44

Finding the Fourth Proportional to 238,781.24, 329,518.87 and 131,359.44

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Solution

The fourth proportional to 238,781.24, 329,518.87 and 131,359.44 is: 181,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,781.24 : 329,518.87 = 131,359.44 : x
  2. Step 2: Convert to fraction form
    238,781.24/329,518.87 = 131,359.44/x
  3. Step 3: Cross multiply
    238,781.24x = 329,518.87 × 131,359.44
  4. Step 4: Simplify right side
    238,781.24x = 43,285,414,232.63
  5. Step 5: Solve for x
    x = 43,285,414,232.63/238,781.24
  6. Step 6: Final answer
    x = 181,276.44

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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.