Finding the Fourth Proportional to 203,738.65, 281,146 and 113,090.20
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Solution
The fourth proportional to 203,738.65, 281,146 and 113,090.20 is: 156,057.07
Step by Step Solution
- Step 1: Write the proportion equation
203,738.65 : 281,146 = 113,090.20 : x - Step 2: Convert to fraction form
203,738.65/281,146 = 113,090.20/x - Step 3: Cross multiply
203,738.65x = 281,146 × 113,090.20 - Step 4: Simplify right side
203,738.65x = 31,794,857,369.20 - Step 5: Solve for x
x = 31,794,857,369.20/203,738.65 - Step 6: Final answer
x = 156,057.07
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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.