Finding the Fourth Proportional to 326,524.25, 489,597.81 and 126,611.09
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Solution
The fourth proportional to 326,524.25, 489,597.81 and 126,611.09 is: 189,843.52
Step by Step Solution
- Step 1: Write the proportion equation
326,524.25 : 489,597.81 = 126,611.09 : x - Step 2: Convert to fraction form
326,524.25/489,597.81 = 126,611.09/x - Step 3: Cross multiply
326,524.25x = 489,597.81 × 126,611.09 - Step 4: Simplify right side
326,524.25x = 61,988,511,744.44 - Step 5: Solve for x
x = 61,988,511,744.44/326,524.25 - Step 6: Final answer
x = 189,843.52
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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.