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Finding the Fourth Proportional to 303,356.88, 418,613.67 and 167,391.90

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Solution

The fourth proportional to 303,356.88, 418,613.67 and 167,391.90 is: 230,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,356.88 : 418,613.67 = 167,391.90 : x
  2. Step 2: Convert to fraction form
    303,356.88/418,613.67 = 167,391.90/x
  3. Step 3: Cross multiply
    303,356.88x = 418,613.67 × 167,391.90
  4. Step 4: Simplify right side
    303,356.88x = 70,072,537,587.27
  5. Step 5: Solve for x
    x = 70,072,537,587.27/303,356.88
  6. Step 6: Final answer
    x = 230,990.43

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