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Finding the Fourth Proportional to 305,747.60, 458,694.30 and 147,846.20

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Solution

The fourth proportional to 305,747.60, 458,694.30 and 147,846.20 is: 221,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,747.60 : 458,694.30 = 147,846.20 : x
  2. Step 2: Convert to fraction form
    305,747.60/458,694.30 = 147,846.20/x
  3. Step 3: Cross multiply
    305,747.60x = 458,694.30 × 147,846.20
  4. Step 4: Simplify right side
    305,747.60x = 67,816,209,216.66
  5. Step 5: Solve for x
    x = 67,816,209,216.66/305,747.60
  6. Step 6: Final answer
    x = 221,804.55

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