Finding the Fourth Proportional to 325,414.78, 449,059.26 and 189,452.63
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Solution
The fourth proportional to 325,414.78, 449,059.26 and 189,452.63 is: 261,436.98
Step by Step Solution
- Step 1: Write the proportion equation
325,414.78 : 449,059.26 = 189,452.63 : x - Step 2: Convert to fraction form
325,414.78/449,059.26 = 189,452.63/x - Step 3: Cross multiply
325,414.78x = 449,059.26 × 189,452.63 - Step 4: Simplify right side
325,414.78x = 85,075,457,832.85 - Step 5: Solve for x
x = 85,075,457,832.85/325,414.78 - Step 6: Final answer
x = 261,436.98
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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.