Home / 324,939.82-487,222.12-100,239.92

Finding the Fourth Proportional to 324,939.82, 487,222.12 and 100,239.92

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Solution

The fourth proportional to 324,939.82, 487,222.12 and 100,239.92 is: 150,302.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,939.82 : 487,222.12 = 100,239.92 : x
  2. Step 2: Convert to fraction form
    324,939.82/487,222.12 = 100,239.92/x
  3. Step 3: Cross multiply
    324,939.82x = 487,222.12 × 100,239.92
  4. Step 4: Simplify right side
    324,939.82x = 48,839,106,331.03
  5. Step 5: Solve for x
    x = 48,839,106,331.03/324,939.82
  6. Step 6: Final answer
    x = 150,302.00

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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.