Home / 379,620.31-569,315.43-199,608.73

Finding the Fourth Proportional to 379,620.31, 569,315.43 and 199,608.73

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Solution

The fourth proportional to 379,620.31, 569,315.43 and 199,608.73 is: 299,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,620.31 : 569,315.43 = 199,608.73 : x
  2. Step 2: Convert to fraction form
    379,620.31/569,315.43 = 199,608.73/x
  3. Step 3: Cross multiply
    379,620.31x = 569,315.43 × 199,608.73
  4. Step 4: Simplify right side
    379,620.31x = 113,640,330,450.73
  5. Step 5: Solve for x
    x = 113,640,330,450.73/379,620.31
  6. Step 6: Final answer
    x = 299,352.61

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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.