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Finding the Fourth Proportional to 399,148.75, 550,825.28 and 272,046.39

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Solution

The fourth proportional to 399,148.75, 550,825.28 and 272,046.39 is: 375,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,148.75 : 550,825.28 = 272,046.39 : x
  2. Step 2: Convert to fraction form
    399,148.75/550,825.28 = 272,046.39/x
  3. Step 3: Cross multiply
    399,148.75x = 550,825.28 × 272,046.39
  4. Step 4: Simplify right side
    399,148.75x = 149,850,028,944.74
  5. Step 5: Solve for x
    x = 149,850,028,944.74/399,148.75
  6. Step 6: Final answer
    x = 375,424.02

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