Home / 379,629.96-569,329.92-199,618.44

Finding the Fourth Proportional to 379,629.96, 569,329.92 and 199,618.44

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Solution

The fourth proportional to 379,629.96, 569,329.92 and 199,618.44 is: 299,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,629.96 : 569,329.92 = 199,618.44 : x
  2. Step 2: Convert to fraction form
    379,629.96/569,329.92 = 199,618.44/x
  3. Step 3: Cross multiply
    379,629.96x = 569,329.92 × 199,618.44
  4. Step 4: Simplify right side
    379,629.96x = 113,648,750,475.73
  5. Step 5: Solve for x
    x = 113,648,750,475.73/379,629.96
  6. Step 6: Final answer
    x = 299,367.18

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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.