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Finding the Fourth Proportional to 174,372.66, 239,062.01 and 171,223.38

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Solution

The fourth proportional to 174,372.66, 239,062.01 and 171,223.38 is: 234,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,372.66 : 239,062.01 = 171,223.38 : x
  2. Step 2: Convert to fraction form
    174,372.66/239,062.01 = 171,223.38/x
  3. Step 3: Cross multiply
    174,372.66x = 239,062.01 × 171,223.38
  4. Step 4: Simplify right side
    174,372.66x = 40,933,004,525.68
  5. Step 5: Solve for x
    x = 40,933,004,525.68/174,372.66
  6. Step 6: Final answer
    x = 234,744.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.