Home / 269,138.06-371,408.78-148,276.56

Finding the Fourth Proportional to 269,138.06, 371,408.78 and 148,276.56

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Solution

The fourth proportional to 269,138.06, 371,408.78 and 148,276.56 is: 204,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,138.06 : 371,408.78 = 148,276.56 : x
  2. Step 2: Convert to fraction form
    269,138.06/371,408.78 = 148,276.56/x
  3. Step 3: Cross multiply
    269,138.06x = 371,408.78 × 148,276.56
  4. Step 4: Simplify right side
    269,138.06x = 55,071,216,252.20
  5. Step 5: Solve for x
    x = 55,071,216,252.20/269,138.06
  6. Step 6: Final answer
    x = 204,620.69

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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.