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Finding the Fourth Proportional to 308,301.25, 425,337.60 and 187,398.43

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Solution

The fourth proportional to 308,301.25, 425,337.60 and 187,398.43 is: 258,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,301.25 : 425,337.60 = 187,398.43 : x
  2. Step 2: Convert to fraction form
    308,301.25/425,337.60 = 187,398.43/x
  3. Step 3: Cross multiply
    308,301.25x = 425,337.60 × 187,398.43
  4. Step 4: Simplify right side
    308,301.25x = 79,707,598,459.97
  5. Step 5: Solve for x
    x = 79,707,598,459.97/308,301.25
  6. Step 6: Final answer
    x = 258,538.03

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