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Finding the Fourth Proportional to 331,832.54, 497,750.79 and 82,514.54

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Solution

The fourth proportional to 331,832.54, 497,750.79 and 82,514.54 is: 123,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,832.54 : 497,750.79 = 82,514.54 : x
  2. Step 2: Convert to fraction form
    331,832.54/497,750.79 = 82,514.54/x
  3. Step 3: Cross multiply
    331,832.54x = 497,750.79 × 82,514.54
  4. Step 4: Simplify right side
    331,832.54x = 41,071,677,471.49
  5. Step 5: Solve for x
    x = 41,071,677,471.49/331,832.54
  6. Step 6: Final answer
    x = 123,772.30

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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.