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Finding the Fourth Proportional to 242,604.40, 363,906.60 and 216,943.60

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Solution

The fourth proportional to 242,604.40, 363,906.60 and 216,943.60 is: 325,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,604.40 : 363,906.60 = 216,943.60 : x
  2. Step 2: Convert to fraction form
    242,604.40/363,906.60 = 216,943.60/x
  3. Step 3: Cross multiply
    242,604.40x = 363,906.60 × 216,943.60
  4. Step 4: Simplify right side
    242,604.40x = 78,947,207,867.76
  5. Step 5: Solve for x
    x = 78,947,207,867.76/242,604.40
  6. Step 6: Final answer
    x = 325,415.40

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