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Finding the Fourth Proportional to 298,048.43, 447,028.90 and 98,375.33

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Solution

The fourth proportional to 298,048.43, 447,028.90 and 98,375.33 is: 147,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,048.43 : 447,028.90 = 98,375.33 : x
  2. Step 2: Convert to fraction form
    298,048.43/447,028.90 = 98,375.33/x
  3. Step 3: Cross multiply
    298,048.43x = 447,028.90 × 98,375.33
  4. Step 4: Simplify right side
    298,048.43x = 43,976,616,428.67
  5. Step 5: Solve for x
    x = 43,976,616,428.67/298,048.43
  6. Step 6: Final answer
    x = 147,548.56

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