Home / 269,522.09-371,933.97-148,660.78

Finding the Fourth Proportional to 269,522.09, 371,933.97 and 148,660.78

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Solution

The fourth proportional to 269,522.09, 371,933.97 and 148,660.78 is: 205,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,522.09 : 371,933.97 = 148,660.78 : x
  2. Step 2: Convert to fraction form
    269,522.09/371,933.97 = 148,660.78/x
  3. Step 3: Cross multiply
    269,522.09x = 371,933.97 × 148,660.78
  4. Step 4: Simplify right side
    269,522.09x = 55,291,993,345.39
  5. Step 5: Solve for x
    x = 55,291,993,345.39/269,522.09
  6. Step 6: Final answer
    x = 205,148.28

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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.