Finding the Fourth Proportional to 203,910.57, 281,475.09 and 135,902.70
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Solution
The fourth proportional to 203,910.57, 281,475.09 and 135,902.70 is: 187,598.05
Step by Step Solution
- Step 1: Write the proportion equation
203,910.57 : 281,475.09 = 135,902.70 : x - Step 2: Convert to fraction form
203,910.57/281,475.09 = 135,902.70/x - Step 3: Cross multiply
203,910.57x = 281,475.09 × 135,902.70 - Step 4: Simplify right side
203,910.57x = 38,253,224,713.74 - Step 5: Solve for x
x = 38,253,224,713.74/203,910.57 - Step 6: Final answer
x = 187,598.05
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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.