Finding the Fourth Proportional to 80,446.84, 120,664.18 and 33,049.02
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Solution
The fourth proportional to 80,446.84, 120,664.18 and 33,049.02 is: 49,571.03
Step by Step Solution
- Step 1: Write the proportion equation
80,446.84 : 120,664.18 = 33,049.02 : x - Step 2: Convert to fraction form
80,446.84/120,664.18 = 33,049.02/x - Step 3: Cross multiply
80,446.84x = 120,664.18 × 33,049.02 - Step 4: Simplify right side
80,446.84x = 3,987,832,898.10 - Step 5: Solve for x
x = 3,987,832,898.10/80,446.84 - Step 6: Final answer
x = 49,571.03
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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.