Finding the Fourth Proportional to 325,843.62, 449,645.68 and 189,899.70
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Solution
The fourth proportional to 325,843.62, 449,645.68 and 189,899.70 is: 262,050.80
Step by Step Solution
- Step 1: Write the proportion equation
325,843.62 : 449,645.68 = 189,899.70 : x - Step 2: Convert to fraction form
325,843.62/449,645.68 = 189,899.70/x - Step 3: Cross multiply
325,843.62x = 449,645.68 × 189,899.70 - Step 4: Simplify right side
325,843.62x = 85,387,579,738.30 - Step 5: Solve for x
x = 85,387,579,738.30/325,843.62 - Step 6: Final answer
x = 262,050.80
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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.