Finding the Fourth Proportional to 80,236.84, 120,381.18 and 33,503.08
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Solution
The fourth proportional to 80,236.84, 120,381.18 and 33,503.08 is: 50,265.44
Step by Step Solution
- Step 1: Write the proportion equation
80,236.84 : 120,381.18 = 33,503.08 : x - Step 2: Convert to fraction form
80,236.84/120,381.18 = 33,503.08/x - Step 3: Cross multiply
80,236.84x = 120,381.18 × 33,503.08 - Step 4: Simplify right side
80,236.84x = 4,033,140,304.03 - Step 5: Solve for x
x = 4,033,140,304.03/80,236.84 - Step 6: Final answer
x = 50,265.44
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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.