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Finding the Fourth Proportional to 345,198.78, 476,343.99 and 192,225.42

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Solution

The fourth proportional to 345,198.78, 476,343.99 and 192,225.42 is: 265,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,198.78 : 476,343.99 = 192,225.42 : x
  2. Step 2: Convert to fraction form
    345,198.78/476,343.99 = 192,225.42/x
  3. Step 3: Cross multiply
    345,198.78x = 476,343.99 × 192,225.42
  4. Step 4: Simplify right side
    345,198.78x = 91,565,423,542.23
  5. Step 5: Solve for x
    x = 91,565,423,542.23/345,198.78
  6. Step 6: Final answer
    x = 265,254.19

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