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Finding the Fourth Proportional to 171,456.48, 238,035.24 and 166,324.32

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Solution

The fourth proportional to 171,456.48, 238,035.24 and 166,324.32 is: 230,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,456.48 : 238,035.24 = 166,324.32 : x
  2. Step 2: Convert to fraction form
    171,456.48/238,035.24 = 166,324.32/x
  3. Step 3: Cross multiply
    171,456.48x = 238,035.24 × 166,324.32
  4. Step 4: Simplify right side
    171,456.48x = 39,591,049,429.04
  5. Step 5: Solve for x
    x = 39,591,049,429.04/171,456.48
  6. Step 6: Final answer
    x = 230,910.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.