Finding the Fourth Proportional to 80,176.26, 120,244.95 and 33,403.62
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Solution
The fourth proportional to 80,176.26, 120,244.95 and 33,403.62 is: 50,097.33
Step by Step Solution
- Step 1: Write the proportion equation
80,176.26 : 120,244.95 = 33,403.62 : x - Step 2: Convert to fraction form
80,176.26/120,244.95 = 33,403.62/x - Step 3: Cross multiply
80,176.26x = 120,244.95 × 33,403.62 - Step 4: Simplify right side
80,176.26x = 4,016,616,616.72 - Step 5: Solve for x
x = 4,016,616,616.72/80,176.26 - Step 6: Final answer
x = 50,097.33
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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.