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Finding the Fourth Proportional to 320,681.88, 481,017.78 and 110,321.64

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Solution

The fourth proportional to 320,681.88, 481,017.78 and 110,321.64 is: 165,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,681.88 : 481,017.78 = 110,321.64 : x
  2. Step 2: Convert to fraction form
    320,681.88/481,017.78 = 110,321.64/x
  3. Step 3: Cross multiply
    320,681.88x = 481,017.78 × 110,321.64
  4. Step 4: Simplify right side
    320,681.88x = 53,066,670,358.76
  5. Step 5: Solve for x
    x = 53,066,670,358.76/320,681.88
  6. Step 6: Final answer
    x = 165,480.73

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