Home / 269,121.38-371,404.53-148,262.90

Finding the Fourth Proportional to 269,121.38, 371,404.53 and 148,262.90

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Solution

The fourth proportional to 269,121.38, 371,404.53 and 148,262.90 is: 204,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,121.38 : 371,404.53 = 148,262.90 : x
  2. Step 2: Convert to fraction form
    269,121.38/371,404.53 = 148,262.90/x
  3. Step 3: Cross multiply
    269,121.38x = 371,404.53 × 148,262.90
  4. Step 4: Simplify right side
    269,121.38x = 55,065,510,833.91
  5. Step 5: Solve for x
    x = 55,065,510,833.91/269,121.38
  6. Step 6: Final answer
    x = 204,612.18

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1.5x scale

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.