Finding the Fourth Proportional to 206,207.62, 284,586.49 and 115,578.98
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Solution
The fourth proportional to 206,207.62, 284,586.49 and 115,578.98 is: 159,510.19
Step by Step Solution
- Step 1: Write the proportion equation
206,207.62 : 284,586.49 = 115,578.98 : x - Step 2: Convert to fraction form
206,207.62/284,586.49 = 115,578.98/x - Step 3: Cross multiply
206,207.62x = 284,586.49 × 115,578.98 - Step 4: Simplify right side
206,207.62x = 32,892,216,235.98 - Step 5: Solve for x
x = 32,892,216,235.98/206,207.62 - Step 6: Final answer
x = 159,510.19
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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.