Home / 239,660.43-330,732.45-132,230.40

Finding the Fourth Proportional to 239,660.43, 330,732.45 and 132,230.40

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Solution

The fourth proportional to 239,660.43, 330,732.45 and 132,230.40 is: 182,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,660.43 : 330,732.45 = 132,230.40 : x
  2. Step 2: Convert to fraction form
    239,660.43/330,732.45 = 132,230.40/x
  3. Step 3: Cross multiply
    239,660.43x = 330,732.45 × 132,230.40
  4. Step 4: Simplify right side
    239,660.43x = 43,732,884,156.48
  5. Step 5: Solve for x
    x = 43,732,884,156.48/239,660.43
  6. Step 6: Final answer
    x = 182,478.53

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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.