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Finding the Fourth Proportional to 357,215.60, 492,962.64 and 196,067.72

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Solution

The fourth proportional to 357,215.60, 492,962.64 and 196,067.72 is: 270,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,215.60 : 492,962.64 = 196,067.72 : x
  2. Step 2: Convert to fraction form
    357,215.60/492,962.64 = 196,067.72/x
  3. Step 3: Cross multiply
    357,215.60x = 492,962.64 × 196,067.72
  4. Step 4: Simplify right side
    357,215.60x = 96,654,060,869.98
  5. Step 5: Solve for x
    x = 96,654,060,869.98/357,215.60
  6. Step 6: Final answer
    x = 270,576.26

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