Finding the Fourth Proportional to 321,231.08, 443,310.42 and 193,881.80
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Solution
The fourth proportional to 321,231.08, 443,310.42 and 193,881.80 is: 267,563.84
Step by Step Solution
- Step 1: Write the proportion equation
321,231.08 : 443,310.42 = 193,881.80 : x - Step 2: Convert to fraction form
321,231.08/443,310.42 = 193,881.80/x - Step 3: Cross multiply
321,231.08x = 443,310.42 × 193,881.80 - Step 4: Simplify right side
321,231.08x = 85,949,822,188.36 - Step 5: Solve for x
x = 85,949,822,188.36/321,231.08 - Step 6: Final answer
x = 267,563.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.