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Finding the Fourth Proportional to 275,906.40, 413,859.60 and 109,694.40

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Solution

The fourth proportional to 275,906.40, 413,859.60 and 109,694.40 is: 164,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,906.40 : 413,859.60 = 109,694.40 : x
  2. Step 2: Convert to fraction form
    275,906.40/413,859.60 = 109,694.40/x
  3. Step 3: Cross multiply
    275,906.40x = 413,859.60 × 109,694.40
  4. Step 4: Simplify right side
    275,906.40x = 45,398,080,506.24
  5. Step 5: Solve for x
    x = 45,398,080,506.24/275,906.40
  6. Step 6: Final answer
    x = 164,541.60

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