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Finding the Fourth Proportional to 296,840.97, 445,257.71 and 72,201.54

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Solution

The fourth proportional to 296,840.97, 445,257.71 and 72,201.54 is: 108,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,840.97 : 445,257.71 = 72,201.54 : x
  2. Step 2: Convert to fraction form
    296,840.97/445,257.71 = 72,201.54/x
  3. Step 3: Cross multiply
    296,840.97x = 445,257.71 × 72,201.54
  4. Step 4: Simplify right side
    296,840.97x = 32,148,293,938.34
  5. Step 5: Solve for x
    x = 32,148,293,938.34/296,840.97
  6. Step 6: Final answer
    x = 108,301.40

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