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Finding the Fourth Proportional to 264,906.90, 397,360.35 and 140,490.90

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Solution

The fourth proportional to 264,906.90, 397,360.35 and 140,490.90 is: 210,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,906.90 : 397,360.35 = 140,490.90 : x
  2. Step 2: Convert to fraction form
    264,906.90/397,360.35 = 140,490.90/x
  3. Step 3: Cross multiply
    264,906.90x = 397,360.35 × 140,490.90
  4. Step 4: Simplify right side
    264,906.90x = 55,825,513,195.82
  5. Step 5: Solve for x
    x = 55,825,513,195.82/264,906.90
  6. Step 6: Final answer
    x = 210,736.35

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