Home / 276,524.24-381,640.56-155,689.52

Finding the Fourth Proportional to 276,524.24, 381,640.56 and 155,689.52

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Solution

The fourth proportional to 276,524.24, 381,640.56 and 155,689.52 is: 214,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,524.24 : 381,640.56 = 155,689.52 : x
  2. Step 2: Convert to fraction form
    276,524.24/381,640.56 = 155,689.52/x
  3. Step 3: Cross multiply
    276,524.24x = 381,640.56 × 155,689.52
  4. Step 4: Simplify right side
    276,524.24x = 59,417,435,598.93
  5. Step 5: Solve for x
    x = 59,417,435,598.93/276,524.24
  6. Step 6: Final answer
    x = 214,872.43

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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.