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Finding the Fourth Proportional to 298,523.62, 447,816.82 and 172,161

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Solution

The fourth proportional to 298,523.62, 447,816.82 and 172,161 is: 258,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,523.62 : 447,816.82 = 172,161 : x
  2. Step 2: Convert to fraction form
    298,523.62/447,816.82 = 172,161/x
  3. Step 3: Cross multiply
    298,523.62x = 447,816.82 × 172,161
  4. Step 4: Simplify right side
    298,523.62x = 77,096,591,548.02
  5. Step 5: Solve for x
    x = 77,096,591,548.02/298,523.62
  6. Step 6: Final answer
    x = 258,259.60

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