Home / 239,864.64-331,011-132,432.36

Finding the Fourth Proportional to 239,864.64, 331,011 and 132,432.36

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Solution

The fourth proportional to 239,864.64, 331,011 and 132,432.36 is: 182,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,864.64 : 331,011 = 132,432.36 : x
  2. Step 2: Convert to fraction form
    239,864.64/331,011 = 132,432.36/x
  3. Step 3: Cross multiply
    239,864.64x = 331,011 × 132,432.36
  4. Step 4: Simplify right side
    239,864.64x = 43,836,567,915.96
  5. Step 5: Solve for x
    x = 43,836,567,915.96/239,864.64
  6. Step 6: Final answer
    x = 182,755.44

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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.