Home / 219,228.38-328,716.97-67,385.92

Finding the Fourth Proportional to 219,228.38, 328,716.97 and 67,385.92

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Solution

The fourth proportional to 219,228.38, 328,716.97 and 67,385.92 is: 101,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,228.38 : 328,716.97 = 67,385.92 : x
  2. Step 2: Convert to fraction form
    219,228.38/328,716.97 = 67,385.92/x
  3. Step 3: Cross multiply
    219,228.38x = 328,716.97 × 67,385.92
  4. Step 4: Simplify right side
    219,228.38x = 22,150,894,621.27
  5. Step 5: Solve for x
    x = 22,150,894,621.27/219,228.38
  6. Step 6: Final answer
    x = 101,040.27

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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.