Finding the Fourth Proportional to 209,074.44, 288,511.80 and 113,580.84
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Solution
The fourth proportional to 209,074.44, 288,511.80 and 113,580.84 is: 156,735.62
Step by Step Solution
- Step 1: Write the proportion equation
209,074.44 : 288,511.80 = 113,580.84 : x - Step 2: Convert to fraction form
209,074.44/288,511.80 = 113,580.84/x - Step 3: Cross multiply
209,074.44x = 288,511.80 × 113,580.84 - Step 4: Simplify right side
209,074.44x = 32,769,412,593.91 - Step 5: Solve for x
x = 32,769,412,593.91/209,074.44 - Step 6: Final answer
x = 156,735.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.