Finding the Fourth Proportional to 217,115.40, 325,674.84 and 84,010.88
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Solution
The fourth proportional to 217,115.40, 325,674.84 and 84,010.88 is: 126,016.99
Step by Step Solution
- Step 1: Write the proportion equation
217,115.40 : 325,674.84 = 84,010.88 : x - Step 2: Convert to fraction form
217,115.40/325,674.84 = 84,010.88/x - Step 3: Cross multiply
217,115.40x = 325,674.84 × 84,010.88 - Step 4: Simplify right side
217,115.40x = 27,360,229,902.26 - Step 5: Solve for x
x = 27,360,229,902.26/217,115.40 - Step 6: Final answer
x = 126,016.99
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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.