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Finding the Fourth Proportional to 263,043.20, 394,564.80 and 96,809.60

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Solution

The fourth proportional to 263,043.20, 394,564.80 and 96,809.60 is: 145,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,043.20 : 394,564.80 = 96,809.60 : x
  2. Step 2: Convert to fraction form
    263,043.20/394,564.80 = 96,809.60/x
  3. Step 3: Cross multiply
    263,043.20x = 394,564.80 × 96,809.60
  4. Step 4: Simplify right side
    263,043.20x = 38,197,660,462.08
  5. Step 5: Solve for x
    x = 38,197,660,462.08/263,043.20
  6. Step 6: Final answer
    x = 145,214.40

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