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Finding the Fourth Proportional to 269,276.80, 403,915.20 and 263,444.80

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Solution

The fourth proportional to 269,276.80, 403,915.20 and 263,444.80 is: 395,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,276.80 : 403,915.20 = 263,444.80 : x
  2. Step 2: Convert to fraction form
    269,276.80/403,915.20 = 263,444.80/x
  3. Step 3: Cross multiply
    269,276.80x = 403,915.20 × 263,444.80
  4. Step 4: Simplify right side
    269,276.80x = 106,409,359,080.96
  5. Step 5: Solve for x
    x = 106,409,359,080.96/269,276.80
  6. Step 6: Final answer
    x = 395,167.20

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