Finding the Fourth Proportional to 80,482.18, 120,744.74 and 27,891.62
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Solution
The fourth proportional to 80,482.18, 120,744.74 and 27,891.62 is: 41,844.87
Step by Step Solution
- Step 1: Write the proportion equation
80,482.18 : 120,744.74 = 27,891.62 : x - Step 2: Convert to fraction form
80,482.18/120,744.74 = 27,891.62/x - Step 3: Cross multiply
80,482.18x = 120,744.74 × 27,891.62 - Step 4: Simplify right side
80,482.18x = 3,367,766,405.08 - Step 5: Solve for x
x = 3,367,766,405.08/80,482.18 - Step 6: Final answer
x = 41,844.87
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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.