Finding the Fourth Proportional to 209,192.44, 288,687.36 and 113,699.14
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Solution
The fourth proportional to 209,192.44, 288,687.36 and 113,699.14 is: 156,905.79
Step by Step Solution
- Step 1: Write the proportion equation
209,192.44 : 288,687.36 = 113,699.14 : x - Step 2: Convert to fraction form
209,192.44/288,687.36 = 113,699.14/x - Step 3: Cross multiply
209,192.44x = 288,687.36 × 113,699.14 - Step 4: Simplify right side
209,192.44x = 32,823,504,560.87 - Step 5: Solve for x
x = 32,823,504,560.87/209,192.44 - Step 6: Final answer
x = 156,905.79
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1.5x scale
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.