Home / 324,918.42-487,199.19-100,216.50

Finding the Fourth Proportional to 324,918.42, 487,199.19 and 100,216.50

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Solution

The fourth proportional to 324,918.42, 487,199.19 and 100,216.50 is: 150,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,918.42 : 487,199.19 = 100,216.50 : x
  2. Step 2: Convert to fraction form
    324,918.42/487,199.19 = 100,216.50/x
  3. Step 3: Cross multiply
    324,918.42x = 487,199.19 × 100,216.50
  4. Step 4: Simplify right side
    324,918.42x = 48,825,397,624.64
  5. Step 5: Solve for x
    x = 48,825,397,624.64/324,918.42
  6. Step 6: Final answer
    x = 150,269.71

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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.