Home / 338,371.23-507,003.13-204,846.78

Finding the Fourth Proportional to 338,371.23, 507,003.13 and 204,846.78

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Solution

The fourth proportional to 338,371.23, 507,003.13 and 204,846.78 is: 306,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,371.23 : 507,003.13 = 204,846.78 : x
  2. Step 2: Convert to fraction form
    338,371.23/507,003.13 = 204,846.78/x
  3. Step 3: Cross multiply
    338,371.23x = 507,003.13 × 204,846.78
  4. Step 4: Simplify right side
    338,371.23x = 103,857,958,630.42
  5. Step 5: Solve for x
    x = 103,857,958,630.42/338,371.23
  6. Step 6: Final answer
    x = 306,934.96

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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.