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Finding the Fourth Proportional to 331,514.40, 497,489.40 and 181,859.52

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Solution

The fourth proportional to 331,514.40, 497,489.40 and 181,859.52 is: 272,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,514.40 : 497,489.40 = 181,859.52 : x
  2. Step 2: Convert to fraction form
    331,514.40/497,489.40 = 181,859.52/x
  3. Step 3: Cross multiply
    331,514.40x = 497,489.40 × 181,859.52
  4. Step 4: Simplify right side
    331,514.40x = 90,473,183,489.09
  5. Step 5: Solve for x
    x = 90,473,183,489.09/331,514.40
  6. Step 6: Final answer
    x = 272,908.76

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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.