Home / 439,939.24-659,908.60-159,456.04

Finding the Fourth Proportional to 439,939.24, 659,908.60 and 159,456.04

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Solution

The fourth proportional to 439,939.24, 659,908.60 and 159,456.04 is: 239,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,939.24 : 659,908.60 = 159,456.04 : x
  2. Step 2: Convert to fraction form
    439,939.24/659,908.60 = 159,456.04/x
  3. Step 3: Cross multiply
    439,939.24x = 659,908.60 × 159,456.04
  4. Step 4: Simplify right side
    439,939.24x = 105,226,412,117.94
  5. Step 5: Solve for x
    x = 105,226,412,117.94/439,939.24
  6. Step 6: Final answer
    x = 239,183.97

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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.