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Finding the Fourth Proportional to 414,169.79, 621,100.86 and 144,228.60

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Solution

The fourth proportional to 414,169.79, 621,100.86 and 144,228.60 is: 216,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,169.79 : 621,100.86 = 144,228.60 : x
  2. Step 2: Convert to fraction form
    414,169.79/621,100.86 = 144,228.60/x
  3. Step 3: Cross multiply
    414,169.79x = 621,100.86 × 144,228.60
  4. Step 4: Simplify right side
    414,169.79x = 89,580,507,496.60
  5. Step 5: Solve for x
    x = 89,580,507,496.60/414,169.79
  6. Step 6: Final answer
    x = 216,289.34

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