Finding the Fourth Proportional to 87,450.48, 131,198.63 and 27,476.53
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Solution
The fourth proportional to 87,450.48, 131,198.63 and 27,476.53 is: 41,221.99
Step by Step Solution
- Step 1: Write the proportion equation
87,450.48 : 131,198.63 = 27,476.53 : x - Step 2: Convert to fraction form
87,450.48/131,198.63 = 27,476.53/x - Step 3: Cross multiply
87,450.48x = 131,198.63 × 27,476.53 - Step 4: Simplify right side
87,450.48x = 3,604,883,093.15 - Step 5: Solve for x
x = 3,604,883,093.15/87,450.48 - Step 6: Final answer
x = 41,221.99
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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.