Finding the Fourth Proportional to 198,627.96, 274,092.30 and 113,742.84
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Solution
The fourth proportional to 198,627.96, 274,092.30 and 113,742.84 is: 156,956.94
Step by Step Solution
- Step 1: Write the proportion equation
198,627.96 : 274,092.30 = 113,742.84 : x - Step 2: Convert to fraction form
198,627.96/274,092.30 = 113,742.84/x - Step 3: Cross multiply
198,627.96x = 274,092.30 × 113,742.84 - Step 4: Simplify right side
198,627.96x = 31,176,036,624.13 - Step 5: Solve for x
x = 31,176,036,624.13/198,627.96 - Step 6: Final answer
x = 156,956.94
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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.