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Finding the Fourth Proportional to 353,286.21, 487,554.90 and 192,138.02

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Solution

The fourth proportional to 353,286.21, 487,554.90 and 192,138.02 is: 265,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,286.21 : 487,554.90 = 192,138.02 : x
  2. Step 2: Convert to fraction form
    353,286.21/487,554.90 = 192,138.02/x
  3. Step 3: Cross multiply
    353,286.21x = 487,554.90 × 192,138.02
  4. Step 4: Simplify right side
    353,286.21x = 93,677,834,539.83
  5. Step 5: Solve for x
    x = 93,677,834,539.83/353,286.21
  6. Step 6: Final answer
    x = 265,161.31

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