Home / 202,240.20-303,360.30-199,129.80

Finding the Fourth Proportional to 202,240.20, 303,360.30 and 199,129.80

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Solution

The fourth proportional to 202,240.20, 303,360.30 and 199,129.80 is: 298,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,240.20 : 303,360.30 = 199,129.80 : x
  2. Step 2: Convert to fraction form
    202,240.20/303,360.30 = 199,129.80/x
  3. Step 3: Cross multiply
    202,240.20x = 303,360.30 × 199,129.80
  4. Step 4: Simplify right side
    202,240.20x = 60,408,075,866.94
  5. Step 5: Solve for x
    x = 60,408,075,866.94/202,240.20
  6. Step 6: Final answer
    x = 298,694.70

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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.