Home / 276,792.22-381,974.43-155,934.96

Finding the Fourth Proportional to 276,792.22, 381,974.43 and 155,934.96

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Solution

The fourth proportional to 276,792.22, 381,974.43 and 155,934.96 is: 215,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,792.22 : 381,974.43 = 155,934.96 : x
  2. Step 2: Convert to fraction form
    276,792.22/381,974.43 = 155,934.96/x
  3. Step 3: Cross multiply
    276,792.22x = 381,974.43 × 155,934.96
  4. Step 4: Simplify right side
    276,792.22x = 59,563,167,463.07
  5. Step 5: Solve for x
    x = 59,563,167,463.07/276,792.22
  6. Step 6: Final answer
    x = 215,190.90

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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.