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Finding the Fourth Proportional to 239,797.20, 330,920.20 and 132,367.30

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Solution

The fourth proportional to 239,797.20, 330,920.20 and 132,367.30 is: 182,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,797.20 : 330,920.20 = 132,367.30 : x
  2. Step 2: Convert to fraction form
    239,797.20/330,920.20 = 132,367.30/x
  3. Step 3: Cross multiply
    239,797.20x = 330,920.20 × 132,367.30
  4. Step 4: Simplify right side
    239,797.20x = 43,803,013,389.46
  5. Step 5: Solve for x
    x = 43,803,013,389.46/239,797.20
  6. Step 6: Final answer
    x = 182,666.91

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1.5x scale

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.