Finding the Fourth Proportional to 206,524.08, 309,874.91 and 111,821.92
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Solution
The fourth proportional to 206,524.08, 309,874.91 and 111,821.92 is: 167,780.95
Step by Step Solution
- Step 1: Write the proportion equation
206,524.08 : 309,874.91 = 111,821.92 : x - Step 2: Convert to fraction form
206,524.08/309,874.91 = 111,821.92/x - Step 3: Cross multiply
206,524.08x = 309,874.91 × 111,821.92 - Step 4: Simplify right side
206,524.08x = 34,650,806,062.23 - Step 5: Solve for x
x = 34,650,806,062.23/206,524.08 - Step 6: Final answer
x = 167,780.95
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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.