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Finding the Fourth Proportional to 339,940.70, 469,085.62 and 186,976.46

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Solution

The fourth proportional to 339,940.70, 469,085.62 and 186,976.46 is: 258,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,940.70 : 469,085.62 = 186,976.46 : x
  2. Step 2: Convert to fraction form
    339,940.70/469,085.62 = 186,976.46/x
  3. Step 3: Cross multiply
    339,940.70x = 469,085.62 × 186,976.46
  4. Step 4: Simplify right side
    339,940.70x = 87,707,967,081.75
  5. Step 5: Solve for x
    x = 87,707,967,081.75/339,940.70
  6. Step 6: Final answer
    x = 258,009.61

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