Home / 276,253.08-381,234.60-161,541.96

Finding the Fourth Proportional to 276,253.08, 381,234.60 and 161,541.96

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Solution

The fourth proportional to 276,253.08, 381,234.60 and 161,541.96 is: 222,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,253.08 : 381,234.60 = 161,541.96 : x
  2. Step 2: Convert to fraction form
    276,253.08/381,234.60 = 161,541.96/x
  3. Step 3: Cross multiply
    276,253.08x = 381,234.60 × 161,541.96
  4. Step 4: Simplify right side
    276,253.08x = 61,585,384,503.82
  5. Step 5: Solve for x
    x = 61,585,384,503.82/276,253.08
  6. Step 6: Final answer
    x = 222,931.03

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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.