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Finding the Fourth Proportional to 362,140.80, 543,211.20 and 227,421.60

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Solution

The fourth proportional to 362,140.80, 543,211.20 and 227,421.60 is: 341,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,140.80 : 543,211.20 = 227,421.60 : x
  2. Step 2: Convert to fraction form
    362,140.80/543,211.20 = 227,421.60/x
  3. Step 3: Cross multiply
    362,140.80x = 543,211.20 × 227,421.60
  4. Step 4: Simplify right side
    362,140.80x = 123,537,960,241.92
  5. Step 5: Solve for x
    x = 123,537,960,241.92/362,140.80
  6. Step 6: Final answer
    x = 341,132.40

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