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Finding the Fourth Proportional to 202,003.85, 303,003.90 and 77,344.85

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Solution

The fourth proportional to 202,003.85, 303,003.90 and 77,344.85 is: 116,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,003.85 : 303,003.90 = 77,344.85 : x
  2. Step 2: Convert to fraction form
    202,003.85/303,003.90 = 77,344.85/x
  3. Step 3: Cross multiply
    202,003.85x = 303,003.90 × 77,344.85
  4. Step 4: Simplify right side
    202,003.85x = 23,435,791,194.92
  5. Step 5: Solve for x
    x = 23,435,791,194.92/202,003.85
  6. Step 6: Final answer
    x = 116,016.56

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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.