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Finding the Fourth Proportional to 437,243.44, 656,239 and 171,190.80

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Solution

The fourth proportional to 437,243.44, 656,239 and 171,190.80 is: 256,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,243.44 : 656,239 = 171,190.80 : x
  2. Step 2: Convert to fraction form
    437,243.44/656,239 = 171,190.80/x
  3. Step 3: Cross multiply
    437,243.44x = 656,239 × 171,190.80
  4. Step 4: Simplify right side
    437,243.44x = 112,342,079,401.20
  5. Step 5: Solve for x
    x = 112,342,079,401.20/437,243.44
  6. Step 6: Final answer
    x = 256,932.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.