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Finding the Fourth Proportional to 343,667.40, 515,630.70 and 166,331.40

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Solution

The fourth proportional to 343,667.40, 515,630.70 and 166,331.40 is: 249,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,667.40 : 515,630.70 = 166,331.40 : x
  2. Step 2: Convert to fraction form
    343,667.40/515,630.70 = 166,331.40/x
  3. Step 3: Cross multiply
    343,667.40x = 515,630.70 × 166,331.40
  4. Step 4: Simplify right side
    343,667.40x = 85,765,576,213.98
  5. Step 5: Solve for x
    x = 85,765,576,213.98/343,667.40
  6. Step 6: Final answer
    x = 249,559.83

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