Finding the Fourth Proportional to 206,163.70, 309,245.55 and 206,163.70
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Solution
The fourth proportional to 206,163.70, 309,245.55 and 206,163.70 is: 309,245.55
Step by Step Solution
- Step 1: Write the proportion equation
206,163.70 : 309,245.55 = 206,163.70 : x - Step 2: Convert to fraction form
206,163.70/309,245.55 = 206,163.70/x - Step 3: Cross multiply
206,163.70x = 309,245.55 × 206,163.70 - Step 4: Simplify right side
206,163.70x = 63,755,206,796.54 - Step 5: Solve for x
x = 63,755,206,796.54/206,163.70 - Step 6: Final answer
x = 309,245.55
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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.