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Finding the Fourth Proportional to 269,497.20, 404,245.80 and 185,516.40

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Solution

The fourth proportional to 269,497.20, 404,245.80 and 185,516.40 is: 278,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,497.20 : 404,245.80 = 185,516.40 : x
  2. Step 2: Convert to fraction form
    269,497.20/404,245.80 = 185,516.40/x
  3. Step 3: Cross multiply
    269,497.20x = 404,245.80 × 185,516.40
  4. Step 4: Simplify right side
    269,497.20x = 74,994,225,531.12
  5. Step 5: Solve for x
    x = 74,994,225,531.12/269,497.20
  6. Step 6: Final answer
    x = 278,274.60

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