Home / 324,856.62-487,137.33-100,175.22

Finding the Fourth Proportional to 324,856.62, 487,137.33 and 100,175.22

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Solution

The fourth proportional to 324,856.62, 487,137.33 and 100,175.22 is: 150,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,856.62 : 487,137.33 = 100,175.22 : x
  2. Step 2: Convert to fraction form
    324,856.62/487,137.33 = 100,175.22/x
  3. Step 3: Cross multiply
    324,856.62x = 487,137.33 × 100,175.22
  4. Step 4: Simplify right side
    324,856.62x = 48,799,089,202.96
  5. Step 5: Solve for x
    x = 48,799,089,202.96/324,856.62
  6. Step 6: Final answer
    x = 150,217.31

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1.5x scale

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.