Finding the Fourth Proportional to 326,523.57, 489,596.18 and 126,609.90
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Solution
The fourth proportional to 326,523.57, 489,596.18 and 126,609.90 is: 189,841.50
Step by Step Solution
- Step 1: Write the proportion equation
326,523.57 : 489,596.18 = 126,609.90 : x - Step 2: Convert to fraction form
326,523.57/489,596.18 = 126,609.90/x - Step 3: Cross multiply
326,523.57x = 489,596.18 × 126,609.90 - Step 4: Simplify right side
326,523.57x = 61,987,723,390.18 - Step 5: Solve for x
x = 61,987,723,390.18/326,523.57 - Step 6: Final answer
x = 189,841.50
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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.