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Finding the Fourth Proportional to 362,017.20, 543,025.80 and 220,299.60

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Solution

The fourth proportional to 362,017.20, 543,025.80 and 220,299.60 is: 330,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,017.20 : 543,025.80 = 220,299.60 : x
  2. Step 2: Convert to fraction form
    362,017.20/543,025.80 = 220,299.60/x
  3. Step 3: Cross multiply
    362,017.20x = 543,025.80 × 220,299.60
  4. Step 4: Simplify right side
    362,017.20x = 119,628,366,529.68
  5. Step 5: Solve for x
    x = 119,628,366,529.68/362,017.20
  6. Step 6: Final answer
    x = 330,449.40

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