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Finding the Fourth Proportional to 295,216.20, 442,824.30 and 272,406.60

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Solution

The fourth proportional to 295,216.20, 442,824.30 and 272,406.60 is: 408,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,216.20 : 442,824.30 = 272,406.60 : x
  2. Step 2: Convert to fraction form
    295,216.20/442,824.30 = 272,406.60/x
  3. Step 3: Cross multiply
    295,216.20x = 442,824.30 × 272,406.60
  4. Step 4: Simplify right side
    295,216.20x = 120,628,261,960.38
  5. Step 5: Solve for x
    x = 120,628,261,960.38/295,216.20
  6. Step 6: Final answer
    x = 408,609.90

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