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Finding the Fourth Proportional to 310,905.40, 466,358.10 and 133,382.20

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Solution

The fourth proportional to 310,905.40, 466,358.10 and 133,382.20 is: 200,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,905.40 : 466,358.10 = 133,382.20 : x
  2. Step 2: Convert to fraction form
    310,905.40/466,358.10 = 133,382.20/x
  3. Step 3: Cross multiply
    310,905.40x = 466,358.10 × 133,382.20
  4. Step 4: Simplify right side
    310,905.40x = 62,203,869,365.82
  5. Step 5: Solve for x
    x = 62,203,869,365.82/310,905.40
  6. Step 6: Final answer
    x = 200,073.30

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