Home / 338,198.40-507,427.20-332,884.80

Finding the Fourth Proportional to 338,198.40, 507,427.20 and 332,884.80

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Solution

The fourth proportional to 338,198.40, 507,427.20 and 332,884.80 is: 499,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,198.40 : 507,427.20 = 332,884.80 : x
  2. Step 2: Convert to fraction form
    338,198.40/507,427.20 = 332,884.80/x
  3. Step 3: Cross multiply
    338,198.40x = 507,427.20 × 332,884.80
  4. Step 4: Simplify right side
    338,198.40x = 168,914,801,986.56
  5. Step 5: Solve for x
    x = 168,914,801,986.56/338,198.40
  6. Step 6: Final answer
    x = 499,454.76

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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.