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Finding the Fourth Proportional to 202,805.03, 303,764.18 and 102,793.52

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Solution

The fourth proportional to 202,805.03, 303,764.18 and 102,793.52 is: 153,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,805.03 : 303,764.18 = 102,793.52 : x
  2. Step 2: Convert to fraction form
    202,805.03/303,764.18 = 102,793.52/x
  3. Step 3: Cross multiply
    202,805.03x = 303,764.18 × 102,793.52
  4. Step 4: Simplify right side
    202,805.03x = 31,224,989,557.56
  5. Step 5: Solve for x
    x = 31,224,989,557.56/202,805.03
  6. Step 6: Final answer
    x = 153,965.56

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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.