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Finding the Fourth Proportional to 379,620.06, 569,315.06 and 199,608.48

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Solution

The fourth proportional to 379,620.06, 569,315.06 and 199,608.48 is: 299,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,620.06 : 569,315.06 = 199,608.48 : x
  2. Step 2: Convert to fraction form
    379,620.06/569,315.06 = 199,608.48/x
  3. Step 3: Cross multiply
    379,620.06x = 569,315.06 × 199,608.48
  4. Step 4: Simplify right side
    379,620.06x = 113,640,113,518.20
  5. Step 5: Solve for x
    x = 113,640,113,518.20/379,620.06
  6. Step 6: Final answer
    x = 299,352.24

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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.