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Finding the Fourth Proportional to 220,897.75, 331,346.63 and 54,685.75

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Solution

The fourth proportional to 220,897.75, 331,346.63 and 54,685.75 is: 82,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,897.75 : 331,346.63 = 54,685.75 : x
  2. Step 2: Convert to fraction form
    220,897.75/331,346.63 = 54,685.75/x
  3. Step 3: Cross multiply
    220,897.75x = 331,346.63 × 54,685.75
  4. Step 4: Simplify right side
    220,897.75x = 18,119,938,971.52
  5. Step 5: Solve for x
    x = 18,119,938,971.52/220,897.75
  6. Step 6: Final answer
    x = 82,028.63

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