Finding the Fourth Proportional to 271,938.20, 407,767.23 and 122,049.99
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Solution
The fourth proportional to 271,938.20, 407,767.23 and 122,049.99 is: 183,012.12
Step by Step Solution
- Step 1: Write the proportion equation
271,938.20 : 407,767.23 = 122,049.99 : x - Step 2: Convert to fraction form
271,938.20/407,767.23 = 122,049.99/x - Step 3: Cross multiply
271,938.20x = 407,767.23 × 122,049.99 - Step 4: Simplify right side
271,938.20x = 49,767,986,343.83 - Step 5: Solve for x
x = 49,767,986,343.83/271,938.20 - Step 6: Final answer
x = 183,012.12
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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.