Finding the Fourth Proportional to 80,179.97, 120,268.66 and 27,589.91
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Solution
The fourth proportional to 80,179.97, 120,268.66 and 27,589.91 is: 41,384.42
Step by Step Solution
- Step 1: Write the proportion equation
80,179.97 : 120,268.66 = 27,589.91 : x - Step 2: Convert to fraction form
80,179.97/120,268.66 = 27,589.91/x - Step 3: Cross multiply
80,179.97x = 120,268.66 × 27,589.91 - Step 4: Simplify right side
80,179.97x = 3,318,201,505.22 - Step 5: Solve for x
x = 3,318,201,505.22/80,179.97 - Step 6: Final answer
x = 41,384.42
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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.