Home / 358,137.85-494,300.35-205,278.43

Finding the Fourth Proportional to 358,137.85, 494,300.35 and 205,278.43

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Solution

The fourth proportional to 358,137.85, 494,300.35 and 205,278.43 is: 283,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,137.85 : 494,300.35 = 205,278.43 : x
  2. Step 2: Convert to fraction form
    358,137.85/494,300.35 = 205,278.43/x
  3. Step 3: Cross multiply
    358,137.85x = 494,300.35 × 205,278.43
  4. Step 4: Simplify right side
    358,137.85x = 101,469,198,817.30
  5. Step 5: Solve for x
    x = 101,469,198,817.30/358,137.85
  6. Step 6: Final answer
    x = 283,324.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.