Finding the Fourth Proportional to 203,902.14, 281,377.19 and 113,263.95
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Solution
The fourth proportional to 203,902.14, 281,377.19 and 113,263.95 is: 156,299.94
Step by Step Solution
- Step 1: Write the proportion equation
203,902.14 : 281,377.19 = 113,263.95 : x - Step 2: Convert to fraction form
203,902.14/281,377.19 = 113,263.95/x - Step 3: Cross multiply
203,902.14x = 281,377.19 × 113,263.95 - Step 4: Simplify right side
203,902.14x = 31,869,893,317.62 - Step 5: Solve for x
x = 31,869,893,317.62/203,902.14 - Step 6: Final answer
x = 156,299.94
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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.