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Finding the Fourth Proportional to 347,020.20, 520,724.70 and 147,306.60

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Solution

The fourth proportional to 347,020.20, 520,724.70 and 147,306.60 is: 221,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,020.20 : 520,724.70 = 147,306.60 : x
  2. Step 2: Convert to fraction form
    347,020.20/520,724.70 = 147,306.60/x
  3. Step 3: Cross multiply
    347,020.20x = 520,724.70 × 147,306.60
  4. Step 4: Simplify right side
    347,020.20x = 76,706,185,093.02
  5. Step 5: Solve for x
    x = 76,706,185,093.02/347,020.20
  6. Step 6: Final answer
    x = 221,042.42

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