Finding the Fourth Proportional to 252,899.12, 379,021.66 and 189,219.62
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Solution
The fourth proportional to 252,899.12, 379,021.66 and 189,219.62 is: 283,584.75
Step by Step Solution
- Step 1: Write the proportion equation
252,899.12 : 379,021.66 = 189,219.62 : x - Step 2: Convert to fraction form
252,899.12/379,021.66 = 189,219.62/x - Step 3: Cross multiply
252,899.12x = 379,021.66 × 189,219.62 - Step 4: Simplify right side
252,899.12x = 71,718,334,476.97 - Step 5: Solve for x
x = 71,718,334,476.97/252,899.12 - Step 6: Final answer
x = 283,584.75
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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.