Home / 276,292.14-381,305.22-155,426.18

Finding the Fourth Proportional to 276,292.14, 381,305.22 and 155,426.18

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Solution

The fourth proportional to 276,292.14, 381,305.22 and 155,426.18 is: 214,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,292.14 : 381,305.22 = 155,426.18 : x
  2. Step 2: Convert to fraction form
    276,292.14/381,305.22 = 155,426.18/x
  3. Step 3: Cross multiply
    276,292.14x = 381,305.22 × 155,426.18
  4. Step 4: Simplify right side
    276,292.14x = 59,264,813,758.66
  5. Step 5: Solve for x
    x = 59,264,813,758.66/276,292.14
  6. Step 6: Final answer
    x = 214,500.54

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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.