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Finding the Fourth Proportional to 277,193.20, 415,786.14 and 66,829.45

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Solution

The fourth proportional to 277,193.20, 415,786.14 and 66,829.45 is: 100,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,193.20 : 415,786.14 = 66,829.45 : x
  2. Step 2: Convert to fraction form
    277,193.20/415,786.14 = 66,829.45/x
  3. Step 3: Cross multiply
    277,193.20x = 415,786.14 × 66,829.45
  4. Step 4: Simplify right side
    277,193.20x = 27,786,759,053.82
  5. Step 5: Solve for x
    x = 27,786,759,053.82/277,193.20
  6. Step 6: Final answer
    x = 100,243.29

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