Home / 276,676.56-381,826.44-155,856.24

Finding the Fourth Proportional to 276,676.56, 381,826.44 and 155,856.24

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Solution

The fourth proportional to 276,676.56, 381,826.44 and 155,856.24 is: 215,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,676.56 : 381,826.44 = 155,856.24 : x
  2. Step 2: Convert to fraction form
    276,676.56/381,826.44 = 155,856.24/x
  3. Step 3: Cross multiply
    276,676.56x = 381,826.44 × 155,856.24
  4. Step 4: Simplify right side
    276,676.56x = 59,510,033,270.99
  5. Step 5: Solve for x
    x = 59,510,033,270.99/276,676.56
  6. Step 6: Final answer
    x = 215,088.81

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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.