Finding the Fourth Proportional to 203,741.62, 281,149.36 and 113,090.46
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Solution
The fourth proportional to 203,741.62, 281,149.36 and 113,090.46 is: 156,057.02
Step by Step Solution
- Step 1: Write the proportion equation
203,741.62 : 281,149.36 = 113,090.46 : x - Step 2: Convert to fraction form
203,741.62/281,149.36 = 113,090.46/x - Step 3: Cross multiply
203,741.62x = 281,149.36 × 113,090.46 - Step 4: Simplify right side
203,741.62x = 31,795,310,451.11 - Step 5: Solve for x
x = 31,795,310,451.11/203,741.62 - Step 6: Final answer
x = 156,057.02
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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.