Finding the Fourth Proportional to 209,213.27, 288,704.82 and 118,563.94
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Solution
The fourth proportional to 209,213.27, 288,704.82 and 118,563.94 is: 163,612.86
Step by Step Solution
- Step 1: Write the proportion equation
209,213.27 : 288,704.82 = 118,563.94 : x - Step 2: Convert to fraction form
209,213.27/288,704.82 = 118,563.94/x - Step 3: Cross multiply
209,213.27x = 288,704.82 × 118,563.94 - Step 4: Simplify right side
209,213.27x = 34,229,980,956.19 - Step 5: Solve for x
x = 34,229,980,956.19/209,213.27 - Step 6: Final answer
x = 163,612.86
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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.