Home / 269,354.12-371,711.09-148,499.69

Finding the Fourth Proportional to 269,354.12, 371,711.09 and 148,499.69

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Solution

The fourth proportional to 269,354.12, 371,711.09 and 148,499.69 is: 204,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,354.12 : 371,711.09 = 148,499.69 : x
  2. Step 2: Convert to fraction form
    269,354.12/371,711.09 = 148,499.69/x
  3. Step 3: Cross multiply
    269,354.12x = 371,711.09 × 148,499.69
  4. Step 4: Simplify right side
    269,354.12x = 55,198,979,033.51
  5. Step 5: Solve for x
    x = 55,198,979,033.51/269,354.12
  6. Step 6: Final answer
    x = 204,930.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.