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Finding the Fourth Proportional to 229,596.80, 343,423.20 and 206,074.40

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Solution

The fourth proportional to 229,596.80, 343,423.20 and 206,074.40 is: 308,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,596.80 : 343,423.20 = 206,074.40 : x
  2. Step 2: Convert to fraction form
    229,596.80/343,423.20 = 206,074.40/x
  3. Step 3: Cross multiply
    229,596.80x = 343,423.20 × 206,074.40
  4. Step 4: Simplify right side
    229,596.80x = 70,770,729,886.08
  5. Step 5: Solve for x
    x = 70,770,729,886.08/229,596.80
  6. Step 6: Final answer
    x = 308,239.18

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