Finding the Fourth Proportional to 203,731.35, 281,135.97 and 113,082.99
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Solution
The fourth proportional to 203,731.35, 281,135.97 and 113,082.99 is: 156,047.15
Step by Step Solution
- Step 1: Write the proportion equation
203,731.35 : 281,135.97 = 113,082.99 : x - Step 2: Convert to fraction form
203,731.35/281,135.97 = 113,082.99/x - Step 3: Cross multiply
203,731.35x = 281,135.97 × 113,082.99 - Step 4: Simplify right side
203,731.35x = 31,791,696,084.15 - Step 5: Solve for x
x = 31,791,696,084.15/203,731.35 - Step 6: Final answer
x = 156,047.15
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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.