Home / 219,905.12-329,871-62,145.38

Finding the Fourth Proportional to 219,905.12, 329,871 and 62,145.38

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Solution

The fourth proportional to 219,905.12, 329,871 and 62,145.38 is: 93,221.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,905.12 : 329,871 = 62,145.38 : x
  2. Step 2: Convert to fraction form
    219,905.12/329,871 = 62,145.38/x
  3. Step 3: Cross multiply
    219,905.12x = 329,871 × 62,145.38
  4. Step 4: Simplify right side
    219,905.12x = 20,499,958,645.98
  5. Step 5: Solve for x
    x = 20,499,958,645.98/219,905.12
  6. Step 6: Final answer
    x = 93,221.83

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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.