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Finding the Fourth Proportional to 200,722, 301,103.16 and 52,978

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Solution

The fourth proportional to 200,722, 301,103.16 and 52,978 is: 79,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,722 : 301,103.16 = 52,978 : x
  2. Step 2: Convert to fraction form
    200,722/301,103.16 = 52,978/x
  3. Step 3: Cross multiply
    200,722x = 301,103.16 × 52,978
  4. Step 4: Simplify right side
    200,722x = 15,951,843,210.48
  5. Step 5: Solve for x
    x = 15,951,843,210.48/200,722
  6. Step 6: Final answer
    x = 79,472.32

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