Home / 219,338.20-328,755.11-100,760.42

Finding the Fourth Proportional to 219,338.20, 328,755.11 and 100,760.42

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Solution

The fourth proportional to 219,338.20, 328,755.11 and 100,760.42 is: 151,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,338.20 : 328,755.11 = 100,760.42 : x
  2. Step 2: Convert to fraction form
    219,338.20/328,755.11 = 100,760.42/x
  3. Step 3: Cross multiply
    219,338.20x = 328,755.11 × 100,760.42
  4. Step 4: Simplify right side
    219,338.20x = 33,125,503,278.83
  5. Step 5: Solve for x
    x = 33,125,503,278.83/219,338.20
  6. Step 6: Final answer
    x = 151,024.78

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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.