Finding the Fourth Proportional to 303,022.96, 418,163.16 and 189,908.08
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Solution
The fourth proportional to 303,022.96, 418,163.16 and 189,908.08 is: 262,067.81
Step by Step Solution
- Step 1: Write the proportion equation
303,022.96 : 418,163.16 = 189,908.08 : x - Step 2: Convert to fraction form
303,022.96/418,163.16 = 189,908.08/x - Step 3: Cross multiply
303,022.96x = 418,163.16 × 189,908.08 - Step 4: Simplify right side
303,022.96x = 79,412,562,842.33 - Step 5: Solve for x
x = 79,412,562,842.33/303,022.96 - Step 6: Final answer
x = 262,067.81
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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.