Home / 276,267.94-381,464.31-215,733.58

Finding the Fourth Proportional to 276,267.94, 381,464.31 and 215,733.58

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Solution

The fourth proportional to 276,267.94, 381,464.31 and 215,733.58 is: 297,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,267.94 : 381,464.31 = 215,733.58 : x
  2. Step 2: Convert to fraction form
    276,267.94/381,464.31 = 215,733.58/x
  3. Step 3: Cross multiply
    276,267.94x = 381,464.31 × 215,733.58
  4. Step 4: Simplify right side
    276,267.94x = 82,294,661,238.53
  5. Step 5: Solve for x
    x = 82,294,661,238.53/276,267.94
  6. Step 6: Final answer
    x = 297,879.88

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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.