Home / 331,721.75-497,582.67-110,105.75

Finding the Fourth Proportional to 331,721.75, 497,582.67 and 110,105.75

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Solution

The fourth proportional to 331,721.75, 497,582.67 and 110,105.75 is: 165,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,721.75 : 497,582.67 = 110,105.75 : x
  2. Step 2: Convert to fraction form
    331,721.75/497,582.67 = 110,105.75/x
  3. Step 3: Cross multiply
    331,721.75x = 497,582.67 × 110,105.75
  4. Step 4: Simplify right side
    331,721.75x = 54,786,713,067.35
  5. Step 5: Solve for x
    x = 54,786,713,067.35/331,721.75
  6. Step 6: Final answer
    x = 165,158.64

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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.