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Finding the Fourth Proportional to 202,267.78, 303,230.31 and 83,865.22

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Solution

The fourth proportional to 202,267.78, 303,230.31 and 83,865.22 is: 125,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,267.78 : 303,230.31 = 83,865.22 : x
  2. Step 2: Convert to fraction form
    202,267.78/303,230.31 = 83,865.22/x
  3. Step 3: Cross multiply
    202,267.78x = 303,230.31 × 83,865.22
  4. Step 4: Simplify right side
    202,267.78x = 25,430,476,658.82
  5. Step 5: Solve for x
    x = 25,430,476,658.82/202,267.78
  6. Step 6: Final answer
    x = 125,726.78

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1.5x scale

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.