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Finding the Fourth Proportional to 355,906.20, 535,025.70 and 251,448.60

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Solution

The fourth proportional to 355,906.20, 535,025.70 and 251,448.60 is: 377,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,906.20 : 535,025.70 = 251,448.60 : x
  2. Step 2: Convert to fraction form
    355,906.20/535,025.70 = 251,448.60/x
  3. Step 3: Cross multiply
    355,906.20x = 535,025.70 × 251,448.60
  4. Step 4: Simplify right side
    355,906.20x = 134,531,463,229.02
  5. Step 5: Solve for x
    x = 134,531,463,229.02/355,906.20
  6. Step 6: Final answer
    x = 377,996.96

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