Home / 324,150.13-486,297.38-99,530.11

Finding the Fourth Proportional to 324,150.13, 486,297.38 and 99,530.11

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Solution

The fourth proportional to 324,150.13, 486,297.38 and 99,530.11 is: 149,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,150.13 : 486,297.38 = 99,530.11 : x
  2. Step 2: Convert to fraction form
    324,150.13/486,297.38 = 99,530.11/x
  3. Step 3: Cross multiply
    324,150.13x = 486,297.38 × 99,530.11
  4. Step 4: Simplify right side
    324,150.13x = 48,401,231,724.11
  5. Step 5: Solve for x
    x = 48,401,231,724.11/324,150.13
  6. Step 6: Final answer
    x = 149,317.33

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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.