Finding the Fourth Proportional to 203,704.22, 281,106.42 and 113,057.84
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Solution
The fourth proportional to 203,704.22, 281,106.42 and 113,057.84 is: 156,016.82
Step by Step Solution
- Step 1: Write the proportion equation
203,704.22 : 281,106.42 = 113,057.84 : x - Step 2: Convert to fraction form
203,704.22/281,106.42 = 113,057.84/x - Step 3: Cross multiply
203,704.22x = 281,106.42 × 113,057.84 - Step 4: Simplify right side
203,704.22x = 31,781,284,934.13 - Step 5: Solve for x
x = 31,781,284,934.13/203,704.22 - Step 6: Final answer
x = 156,016.82
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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.