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Finding the Fourth Proportional to 312,377.46, 430,758.69 and 267,204.99

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Solution

The fourth proportional to 312,377.46, 430,758.69 and 267,204.99 is: 368,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,377.46 : 430,758.69 = 267,204.99 : x
  2. Step 2: Convert to fraction form
    312,377.46/430,758.69 = 267,204.99/x
  3. Step 3: Cross multiply
    312,377.46x = 430,758.69 × 267,204.99
  4. Step 4: Simplify right side
    312,377.46x = 115,100,871,453.86
  5. Step 5: Solve for x
    x = 115,100,871,453.86/312,377.46
  6. Step 6: Final answer
    x = 368,467.27

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