Home / 338,279.28-504,935.94-298,418.64

Finding the Fourth Proportional to 338,279.28, 504,935.94 and 298,418.64

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Solution

The fourth proportional to 338,279.28, 504,935.94 and 298,418.64 is: 445,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,279.28 : 504,935.94 = 298,418.64 : x
  2. Step 2: Convert to fraction form
    338,279.28/504,935.94 = 298,418.64/x
  3. Step 3: Cross multiply
    338,279.28x = 504,935.94 × 298,418.64
  4. Step 4: Simplify right side
    338,279.28x = 150,682,296,501.92
  5. Step 5: Solve for x
    x = 150,682,296,501.92/338,279.28
  6. Step 6: Final answer
    x = 445,437.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.