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Finding the Fourth Proportional to 238,981.20, 358,882.20 and 132,320.40

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Solution

The fourth proportional to 238,981.20, 358,882.20 and 132,320.40 is: 198,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,981.20 : 358,882.20 = 132,320.40 : x
  2. Step 2: Convert to fraction form
    238,981.20/358,882.20 = 132,320.40/x
  3. Step 3: Cross multiply
    238,981.20x = 358,882.20 × 132,320.40
  4. Step 4: Simplify right side
    238,981.20x = 47,487,436,256.88
  5. Step 5: Solve for x
    x = 47,487,436,256.88/238,981.20
  6. Step 6: Final answer
    x = 198,707.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.