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Finding the Fourth Proportional to 325,832.70, 489,186.45 and 208,026.30

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Solution

The fourth proportional to 325,832.70, 489,186.45 and 208,026.30 is: 312,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,832.70 : 489,186.45 = 208,026.30 : x
  2. Step 2: Convert to fraction form
    325,832.70/489,186.45 = 208,026.30/x
  3. Step 3: Cross multiply
    325,832.70x = 489,186.45 × 208,026.30
  4. Step 4: Simplify right side
    325,832.70x = 101,763,647,203.64
  5. Step 5: Solve for x
    x = 101,763,647,203.64/325,832.70
  6. Step 6: Final answer
    x = 312,318.71

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