Finding the Fourth Proportional to 203,711.96, 281,125.50 and 113,073.76
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Solution
The fourth proportional to 203,711.96, 281,125.50 and 113,073.76 is: 156,043.45
Step by Step Solution
- Step 1: Write the proportion equation
203,711.96 : 281,125.50 = 113,073.76 : x - Step 2: Convert to fraction form
203,711.96/281,125.50 = 113,073.76/x - Step 3: Cross multiply
203,711.96x = 281,125.50 × 113,073.76 - Step 4: Simplify right side
203,711.96x = 31,787,917,316.88 - Step 5: Solve for x
x = 31,787,917,316.88/203,711.96 - Step 6: Final answer
x = 156,043.45
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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.