Finding the Fourth Proportional to 203,816.70, 281,272.32 and 113,176.49
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Solution
The fourth proportional to 203,816.70, 281,272.32 and 113,176.49 is: 156,186.48
Step by Step Solution
- Step 1: Write the proportion equation
203,816.70 : 281,272.32 = 113,176.49 : x - Step 2: Convert to fraction form
203,816.70/281,272.32 = 113,176.49/x - Step 3: Cross multiply
203,816.70x = 281,272.32 × 113,176.49 - Step 4: Simplify right side
203,816.70x = 31,833,412,505.40 - Step 5: Solve for x
x = 31,833,412,505.40/203,816.70 - Step 6: Final answer
x = 156,186.48
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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.