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Finding the Fourth Proportional to 262,855.20, 394,282.80 and 96,621.60

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Solution

The fourth proportional to 262,855.20, 394,282.80 and 96,621.60 is: 144,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,855.20 : 394,282.80 = 96,621.60 : x
  2. Step 2: Convert to fraction form
    262,855.20/394,282.80 = 96,621.60/x
  3. Step 3: Cross multiply
    262,855.20x = 394,282.80 × 96,621.60
  4. Step 4: Simplify right side
    262,855.20x = 38,096,234,988.48
  5. Step 5: Solve for x
    x = 38,096,234,988.48/262,855.20
  6. Step 6: Final answer
    x = 144,932.40

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