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Finding the Fourth Proportional to 362,152.80, 543,229.20 and 212,464.80

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Solution

The fourth proportional to 362,152.80, 543,229.20 and 212,464.80 is: 318,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,152.80 : 543,229.20 = 212,464.80 : x
  2. Step 2: Convert to fraction form
    362,152.80/543,229.20 = 212,464.80/x
  3. Step 3: Cross multiply
    362,152.80x = 543,229.20 × 212,464.80
  4. Step 4: Simplify right side
    362,152.80x = 115,417,083,332.16
  5. Step 5: Solve for x
    x = 115,417,083,332.16/362,152.80
  6. Step 6: Final answer
    x = 318,697.20

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