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Finding the Fourth Proportional to 283,616.40, 424,906.20 and 230,739.60

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Solution

The fourth proportional to 283,616.40, 424,906.20 and 230,739.60 is: 345,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,616.40 : 424,906.20 = 230,739.60 : x
  2. Step 2: Convert to fraction form
    283,616.40/424,906.20 = 230,739.60/x
  3. Step 3: Cross multiply
    283,616.40x = 424,906.20 × 230,739.60
  4. Step 4: Simplify right side
    283,616.40x = 98,042,686,625.52
  5. Step 5: Solve for x
    x = 98,042,686,625.52/283,616.40
  6. Step 6: Final answer
    x = 345,687.65

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