Finding the Fourth Proportional to 281,728.53, 422,586.62 and 68,497.60
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Solution
The fourth proportional to 281,728.53, 422,586.62 and 68,497.60 is: 102,744.90
Step by Step Solution
- Step 1: Write the proportion equation
281,728.53 : 422,586.62 = 68,497.60 : x - Step 2: Convert to fraction form
281,728.53/422,586.62 = 68,497.60/x - Step 3: Cross multiply
281,728.53x = 422,586.62 × 68,497.60 - Step 4: Simplify right side
281,728.53x = 28,946,168,912.37 - Step 5: Solve for x
x = 28,946,168,912.37/281,728.53 - Step 6: Final answer
x = 102,744.90
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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.