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Finding the Fourth Proportional to 269,348.67, 371,703.56 and 148,494.21

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Solution

The fourth proportional to 269,348.67, 371,703.56 and 148,494.21 is: 204,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,348.67 : 371,703.56 = 148,494.21 : x
  2. Step 2: Convert to fraction form
    269,348.67/371,703.56 = 148,494.21/x
  3. Step 3: Cross multiply
    269,348.67x = 371,703.56 × 148,494.21
  4. Step 4: Simplify right side
    269,348.67x = 55,195,825,753.92
  5. Step 5: Solve for x
    x = 55,195,825,753.92/269,348.67
  6. Step 6: Final answer
    x = 204,923.33

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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.