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Finding the Fourth Proportional to 219,754.76, 329,648.56 and 93,380.78

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Solution

The fourth proportional to 219,754.76, 329,648.56 and 93,380.78 is: 140,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,754.76 : 329,648.56 = 93,380.78 : x
  2. Step 2: Convert to fraction form
    219,754.76/329,648.56 = 93,380.78/x
  3. Step 3: Cross multiply
    219,754.76x = 329,648.56 × 93,380.78
  4. Step 4: Simplify right side
    219,754.76x = 30,782,839,658.68
  5. Step 5: Solve for x
    x = 30,782,839,658.68/219,754.76
  6. Step 6: Final answer
    x = 140,078.15

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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.