Home / 323,019.09-484,572.97-109,729.75

Finding the Fourth Proportional to 323,019.09, 484,572.97 and 109,729.75

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Solution

The fourth proportional to 323,019.09, 484,572.97 and 109,729.75 is: 164,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,019.09 : 484,572.97 = 109,729.75 : x
  2. Step 2: Convert to fraction form
    323,019.09/484,572.97 = 109,729.75/x
  3. Step 3: Cross multiply
    323,019.09x = 484,572.97 × 109,729.75
  4. Step 4: Simplify right side
    323,019.09x = 53,172,070,854.86
  5. Step 5: Solve for x
    x = 53,172,070,854.86/323,019.09
  6. Step 6: Final answer
    x = 164,609.69

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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.