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Finding the Fourth Proportional to 312,125.70, 467,532.45 and 259,637.70

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Solution

The fourth proportional to 312,125.70, 467,532.45 and 259,637.70 is: 388,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,125.70 : 467,532.45 = 259,637.70 : x
  2. Step 2: Convert to fraction form
    312,125.70/467,532.45 = 259,637.70/x
  3. Step 3: Cross multiply
    312,125.70x = 467,532.45 × 259,637.70
  4. Step 4: Simplify right side
    312,125.70x = 121,389,049,993.37
  5. Step 5: Solve for x
    x = 121,389,049,993.37/312,125.70
  6. Step 6: Final answer
    x = 388,910.78

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