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Finding the Fourth Proportional to 264,886.20, 397,790.10 and 140,470.20

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Solution

The fourth proportional to 264,886.20, 397,790.10 and 140,470.20 is: 210,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,886.20 : 397,790.10 = 140,470.20 : x
  2. Step 2: Convert to fraction form
    264,886.20/397,790.10 = 140,470.20/x
  3. Step 3: Cross multiply
    264,886.20x = 397,790.10 × 140,470.20
  4. Step 4: Simplify right side
    264,886.20x = 55,877,654,905.02
  5. Step 5: Solve for x
    x = 55,877,654,905.02/264,886.20
  6. Step 6: Final answer
    x = 210,949.66

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