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Finding the Fourth Proportional to 469,103.43, 703,698.95 and 132,143.52

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Solution

The fourth proportional to 469,103.43, 703,698.95 and 132,143.52 is: 198,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,103.43 : 703,698.95 = 132,143.52 : x
  2. Step 2: Convert to fraction form
    469,103.43/703,698.95 = 132,143.52/x
  3. Step 3: Cross multiply
    469,103.43x = 703,698.95 × 132,143.52
  4. Step 4: Simplify right side
    469,103.43x = 92,989,256,273.30
  5. Step 5: Solve for x
    x = 92,989,256,273.30/469,103.43
  6. Step 6: Final answer
    x = 198,227.62

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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.