Home / 239,911.32-331,080.30-132,481.20

Finding the Fourth Proportional to 239,911.32, 331,080.30 and 132,481.20

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Solution

The fourth proportional to 239,911.32, 331,080.30 and 132,481.20 is: 182,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,911.32 : 331,080.30 = 132,481.20 : x
  2. Step 2: Convert to fraction form
    239,911.32/331,080.30 = 132,481.20/x
  3. Step 3: Cross multiply
    239,911.32x = 331,080.30 × 132,481.20
  4. Step 4: Simplify right side
    239,911.32x = 43,861,915,440.36
  5. Step 5: Solve for x
    x = 43,861,915,440.36/239,911.32
  6. Step 6: Final answer
    x = 182,825.54

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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.