Finding the Fourth Proportional to 203,899.87, 281,372.70 and 113,262.09
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Solution
The fourth proportional to 203,899.87, 281,372.70 and 113,262.09 is: 156,296.62
Step by Step Solution
- Step 1: Write the proportion equation
203,899.87 : 281,372.70 = 113,262.09 : x - Step 2: Convert to fraction form
203,899.87/281,372.70 = 113,262.09/x - Step 3: Cross multiply
203,899.87x = 281,372.70 × 113,262.09 - Step 4: Simplify right side
203,899.87x = 31,868,860,070.94 - Step 5: Solve for x
x = 31,868,860,070.94/203,899.87 - Step 6: Final answer
x = 156,296.62
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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.