Finding the Fourth Proportional to 206,744.77, 285,338.63 and 126,218.97
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Solution
The fourth proportional to 206,744.77, 285,338.63 and 126,218.97 is: 174,201.02
Step by Step Solution
- Step 1: Write the proportion equation
206,744.77 : 285,338.63 = 126,218.97 : x - Step 2: Convert to fraction form
206,744.77/285,338.63 = 126,218.97/x - Step 3: Cross multiply
206,744.77x = 285,338.63 × 126,218.97 - Step 4: Simplify right side
206,744.77x = 36,015,147,979.81 - Step 5: Solve for x
x = 36,015,147,979.81/206,744.77 - Step 6: Final answer
x = 174,201.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.