Finding the Fourth Proportional to 300,715.81, 451,019.20 and 120,793.99
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Solution
The fourth proportional to 300,715.81, 451,019.20 and 120,793.99 is: 181,169.08
Step by Step Solution
- Step 1: Write the proportion equation
300,715.81 : 451,019.20 = 120,793.99 : x - Step 2: Convert to fraction form
300,715.81/451,019.20 = 120,793.99/x - Step 3: Cross multiply
300,715.81x = 451,019.20 × 120,793.99 - Step 4: Simplify right side
300,715.81x = 54,480,405,875.54 - Step 5: Solve for x
x = 54,480,405,875.54/300,715.81 - Step 6: Final answer
x = 181,169.08
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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.