Home / 276,791.24-381,573.78-197,165

Finding the Fourth Proportional to 276,791.24, 381,573.78 and 197,165

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Solution

The fourth proportional to 276,791.24, 381,573.78 and 197,165 is: 271,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,791.24 : 381,573.78 = 197,165 : x
  2. Step 2: Convert to fraction form
    276,791.24/381,573.78 = 197,165/x
  3. Step 3: Cross multiply
    276,791.24x = 381,573.78 × 197,165
  4. Step 4: Simplify right side
    276,791.24x = 75,232,994,333.70
  5. Step 5: Solve for x
    x = 75,232,994,333.70/276,791.24
  6. Step 6: Final answer
    x = 271,804.10

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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.