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Finding the Fourth Proportional to 312,376.46, 430,757.30 and 267,203.98

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Solution

The fourth proportional to 312,376.46, 430,757.30 and 267,203.98 is: 368,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,376.46 : 430,757.30 = 267,203.98 : x
  2. Step 2: Convert to fraction form
    312,376.46/430,757.30 = 267,203.98/x
  3. Step 3: Cross multiply
    312,376.46x = 430,757.30 × 267,203.98
  4. Step 4: Simplify right side
    312,376.46x = 115,100,064,974.05
  5. Step 5: Solve for x
    x = 115,100,064,974.05/312,376.46
  6. Step 6: Final answer
    x = 368,465.87

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