Home / 274,334.45-378,710.98-206,377.35

Finding the Fourth Proportional to 274,334.45, 378,710.98 and 206,377.35

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Solution

The fourth proportional to 274,334.45, 378,710.98 and 206,377.35 is: 284,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,334.45 : 378,710.98 = 206,377.35 : x
  2. Step 2: Convert to fraction form
    274,334.45/378,710.98 = 206,377.35/x
  3. Step 3: Cross multiply
    274,334.45x = 378,710.98 × 206,377.35
  4. Step 4: Simplify right side
    274,334.45x = 78,157,368,662.44
  5. Step 5: Solve for x
    x = 78,157,368,662.44/274,334.45
  6. Step 6: Final answer
    x = 284,898.12

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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.