Finding the Fourth Proportional to 326,375.28, 489,552.62 and 89,715.96
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Solution
The fourth proportional to 326,375.28, 489,552.62 and 89,715.96 is: 134,571.11
Step by Step Solution
- Step 1: Write the proportion equation
326,375.28 : 489,552.62 = 89,715.96 : x - Step 2: Convert to fraction form
326,375.28/489,552.62 = 89,715.96/x - Step 3: Cross multiply
326,375.28x = 489,552.62 × 89,715.96 - Step 4: Simplify right side
326,375.28x = 43,920,682,825.24 - Step 5: Solve for x
x = 43,920,682,825.24/326,375.28 - Step 6: Final answer
x = 134,571.11
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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.