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Finding the Fourth Proportional to 202,223.70, 303,335.55 and 199,113.30

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Solution

The fourth proportional to 202,223.70, 303,335.55 and 199,113.30 is: 298,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,223.70 : 303,335.55 = 199,113.30 : x
  2. Step 2: Convert to fraction form
    202,223.70/303,335.55 = 199,113.30/x
  3. Step 3: Cross multiply
    202,223.70x = 303,335.55 × 199,113.30
  4. Step 4: Simplify right side
    202,223.70x = 60,398,142,367.82
  5. Step 5: Solve for x
    x = 60,398,142,367.82/202,223.70
  6. Step 6: Final answer
    x = 298,669.95

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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.