Finding the Fourth Proportional to 147,163.75, 220,747.74 and 41,982.73
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Solution
The fourth proportional to 147,163.75, 220,747.74 and 41,982.73 is: 62,974.70
Step by Step Solution
- Step 1: Write the proportion equation
147,163.75 : 220,747.74 = 41,982.73 : x - Step 2: Convert to fraction form
147,163.75/220,747.74 = 41,982.73/x - Step 3: Cross multiply
147,163.75x = 220,747.74 × 41,982.73 - Step 4: Simplify right side
147,163.75x = 9,267,592,766.53 - Step 5: Solve for x
x = 9,267,592,766.53/147,163.75 - Step 6: Final answer
x = 62,974.70
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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.