Home / 324,942.03-487,232.01-100,238.72

Finding the Fourth Proportional to 324,942.03, 487,232.01 and 100,238.72

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Solution

The fourth proportional to 324,942.03, 487,232.01 and 100,238.72 is: 150,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,942.03 : 487,232.01 = 100,238.72 : x
  2. Step 2: Convert to fraction form
    324,942.03/487,232.01 = 100,238.72/x
  3. Step 3: Cross multiply
    324,942.03x = 487,232.01 × 100,238.72
  4. Step 4: Simplify right side
    324,942.03x = 48,839,510,589.27
  5. Step 5: Solve for x
    x = 48,839,510,589.27/324,942.03
  6. Step 6: Final answer
    x = 150,302.23

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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.