Home / 325,738.85-488,673.45-112,514.54

Finding the Fourth Proportional to 325,738.85, 488,673.45 and 112,514.54

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Solution

The fourth proportional to 325,738.85, 488,673.45 and 112,514.54 is: 168,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,738.85 : 488,673.45 = 112,514.54 : x
  2. Step 2: Convert to fraction form
    325,738.85/488,673.45 = 112,514.54/x
  3. Step 3: Cross multiply
    325,738.85x = 488,673.45 × 112,514.54
  4. Step 4: Simplify right side
    325,738.85x = 54,982,865,993.60
  5. Step 5: Solve for x
    x = 54,982,865,993.60/325,738.85
  6. Step 6: Final answer
    x = 168,794.32

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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.