Home / 276,789.23-381,959.32-167,906.01

Finding the Fourth Proportional to 276,789.23, 381,959.32 and 167,906.01

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Solution

The fourth proportional to 276,789.23, 381,959.32 and 167,906.01 is: 231,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,789.23 : 381,959.32 = 167,906.01 : x
  2. Step 2: Convert to fraction form
    276,789.23/381,959.32 = 167,906.01/x
  3. Step 3: Cross multiply
    276,789.23x = 381,959.32 × 167,906.01
  4. Step 4: Simplify right side
    276,789.23x = 64,133,267,203.16
  5. Step 5: Solve for x
    x = 64,133,267,203.16/276,789.23
  6. Step 6: Final answer
    x = 231,704.35

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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.