Finding the Fourth Proportional to 204,822.80, 307,234.20 and 80,163.80
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Solution
The fourth proportional to 204,822.80, 307,234.20 and 80,163.80 is: 120,245.70
Step by Step Solution
- Step 1: Write the proportion equation
204,822.80 : 307,234.20 = 80,163.80 : x - Step 2: Convert to fraction form
204,822.80/307,234.20 = 80,163.80/x - Step 3: Cross multiply
204,822.80x = 307,234.20 × 80,163.80 - Step 4: Simplify right side
204,822.80x = 24,629,060,961.96 - Step 5: Solve for x
x = 24,629,060,961.96/204,822.80 - Step 6: Final answer
x = 120,245.70
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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.