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Finding the Fourth Proportional to 269,971.88, 372,359.82 and 239,380.88

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Solution

The fourth proportional to 269,971.88, 372,359.82 and 239,380.88 is: 330,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,971.88 : 372,359.82 = 239,380.88 : x
  2. Step 2: Convert to fraction form
    269,971.88/372,359.82 = 239,380.88/x
  3. Step 3: Cross multiply
    269,971.88x = 372,359.82 × 239,380.88
  4. Step 4: Simplify right side
    269,971.88x = 89,135,821,388.24
  5. Step 5: Solve for x
    x = 89,135,821,388.24/269,971.88
  6. Step 6: Final answer
    x = 330,167.06

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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.