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Finding the Fourth Proportional to 308,468.15, 425,734.63 and 187,647.33

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Solution

The fourth proportional to 308,468.15, 425,734.63 and 187,647.33 is: 258,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,468.15 : 425,734.63 = 187,647.33 : x
  2. Step 2: Convert to fraction form
    308,468.15/425,734.63 = 187,647.33/x
  3. Step 3: Cross multiply
    308,468.15x = 425,734.63 × 187,647.33
  4. Step 4: Simplify right side
    308,468.15x = 79,887,968,790.94
  5. Step 5: Solve for x
    x = 79,887,968,790.94/308,468.15
  6. Step 6: Final answer
    x = 258,982.88

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