Finding the Fourth Proportional to 300,717.81, 451,022.19 and 120,795.99
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Solution
The fourth proportional to 300,717.81, 451,022.19 and 120,795.99 is: 181,172.08
Step by Step Solution
- Step 1: Write the proportion equation
300,717.81 : 451,022.19 = 120,795.99 : x - Step 2: Convert to fraction form
300,717.81/451,022.19 = 120,795.99/x - Step 3: Cross multiply
300,717.81x = 451,022.19 × 120,795.99 - Step 4: Simplify right side
300,717.81x = 54,481,671,953.02 - Step 5: Solve for x
x = 54,481,671,953.02/300,717.81 - Step 6: Final answer
x = 181,172.08
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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.