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Finding the Fourth Proportional to 272,981.70, 409,472.55 and 244,113.30

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Solution

The fourth proportional to 272,981.70, 409,472.55 and 244,113.30 is: 366,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,981.70 : 409,472.55 = 244,113.30 : x
  2. Step 2: Convert to fraction form
    272,981.70/409,472.55 = 244,113.30/x
  3. Step 3: Cross multiply
    272,981.70x = 409,472.55 × 244,113.30
  4. Step 4: Simplify right side
    272,981.70x = 99,957,695,439.92
  5. Step 5: Solve for x
    x = 99,957,695,439.92/272,981.70
  6. Step 6: Final answer
    x = 366,169.95

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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.