Home / 269,012.61-371,223.05-148,149.81

Finding the Fourth Proportional to 269,012.61, 371,223.05 and 148,149.81

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Solution

The fourth proportional to 269,012.61, 371,223.05 and 148,149.81 is: 204,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,012.61 : 371,223.05 = 148,149.81 : x
  2. Step 2: Convert to fraction form
    269,012.61/371,223.05 = 148,149.81/x
  3. Step 3: Cross multiply
    269,012.61x = 371,223.05 × 148,149.81
  4. Step 4: Simplify right side
    269,012.61x = 54,996,623,584.37
  5. Step 5: Solve for x
    x = 54,996,623,584.37/269,012.61
  6. Step 6: Final answer
    x = 204,438.83

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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.