Finding the Fourth Proportional to 300,716.81, 451,020.69 and 120,794.99
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Solution
The fourth proportional to 300,716.81, 451,020.69 and 120,794.99 is: 181,170.58
Step by Step Solution
- Step 1: Write the proportion equation
300,716.81 : 451,020.69 = 120,794.99 : x - Step 2: Convert to fraction form
300,716.81/451,020.69 = 120,794.99/x - Step 3: Cross multiply
300,716.81x = 451,020.69 × 120,794.99 - Step 4: Simplify right side
300,716.81x = 54,481,039,738.34 - Step 5: Solve for x
x = 54,481,039,738.34/300,716.81 - Step 6: Final answer
x = 181,170.58
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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.