Home / 404,131.20-606,269.70-203,947.80

Finding the Fourth Proportional to 404,131.20, 606,269.70 and 203,947.80

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Solution

The fourth proportional to 404,131.20, 606,269.70 and 203,947.80 is: 305,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,131.20 : 606,269.70 = 203,947.80 : x
  2. Step 2: Convert to fraction form
    404,131.20/606,269.70 = 203,947.80/x
  3. Step 3: Cross multiply
    404,131.20x = 606,269.70 × 203,947.80
  4. Step 4: Simplify right side
    404,131.20x = 123,647,371,521.66
  5. Step 5: Solve for x
    x = 123,647,371,521.66/404,131.20
  6. Step 6: Final answer
    x = 305,958.49

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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.