Home / 221,964.38-332,949.64-72,205.44

Finding the Fourth Proportional to 221,964.38, 332,949.64 and 72,205.44

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Solution

The fourth proportional to 221,964.38, 332,949.64 and 72,205.44 is: 108,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,964.38 : 332,949.64 = 72,205.44 : x
  2. Step 2: Convert to fraction form
    221,964.38/332,949.64 = 72,205.44/x
  3. Step 3: Cross multiply
    221,964.38x = 332,949.64 × 72,205.44
  4. Step 4: Simplify right side
    221,964.38x = 24,040,775,254.04
  5. Step 5: Solve for x
    x = 24,040,775,254.04/221,964.38
  6. Step 6: Final answer
    x = 108,309.16

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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.