Home / 219,748.12-329,282.92-148,391.12

Finding the Fourth Proportional to 219,748.12, 329,282.92 and 148,391.12

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Solution

The fourth proportional to 219,748.12, 329,282.92 and 148,391.12 is: 222,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,748.12 : 329,282.92 = 148,391.12 : x
  2. Step 2: Convert to fraction form
    219,748.12/329,282.92 = 148,391.12/x
  3. Step 3: Cross multiply
    219,748.12x = 329,282.92 × 148,391.12
  4. Step 4: Simplify right side
    219,748.12x = 48,862,661,295.67
  5. Step 5: Solve for x
    x = 48,862,661,295.67/219,748.12
  6. Step 6: Final answer
    x = 222,357.59

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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.