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Finding the Fourth Proportional to 223,357.20, 335,035.80 and 212,470.80

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Solution

The fourth proportional to 223,357.20, 335,035.80 and 212,470.80 is: 318,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,357.20 : 335,035.80 = 212,470.80 : x
  2. Step 2: Convert to fraction form
    223,357.20/335,035.80 = 212,470.80/x
  3. Step 3: Cross multiply
    223,357.20x = 335,035.80 × 212,470.80
  4. Step 4: Simplify right side
    223,357.20x = 71,185,324,454.64
  5. Step 5: Solve for x
    x = 71,185,324,454.64/223,357.20
  6. Step 6: Final answer
    x = 318,706.20

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