Home / 269,049.05-371,290.20-148,190.78

Finding the Fourth Proportional to 269,049.05, 371,290.20 and 148,190.78

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Solution

The fourth proportional to 269,049.05, 371,290.20 and 148,190.78 is: 204,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,049.05 : 371,290.20 = 148,190.78 : x
  2. Step 2: Convert to fraction form
    269,049.05/371,290.20 = 148,190.78/x
  3. Step 3: Cross multiply
    269,049.05x = 371,290.20 × 148,190.78
  4. Step 4: Simplify right side
    269,049.05x = 55,021,784,344.36
  5. Step 5: Solve for x
    x = 55,021,784,344.36/269,049.05
  6. Step 6: Final answer
    x = 204,504.66

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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.