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Finding the Fourth Proportional to 343,344.90, 514,871.55 and 165,906.30

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Solution

The fourth proportional to 343,344.90, 514,871.55 and 165,906.30 is: 248,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,344.90 : 514,871.55 = 165,906.30 : x
  2. Step 2: Convert to fraction form
    343,344.90/514,871.55 = 165,906.30/x
  3. Step 3: Cross multiply
    343,344.90x = 514,871.55 × 165,906.30
  4. Step 4: Simplify right side
    343,344.90x = 85,420,433,835.77
  5. Step 5: Solve for x
    x = 85,420,433,835.77/343,344.90
  6. Step 6: Final answer
    x = 248,789.00

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