Finding the Fourth Proportional to 198,628.96, 274,093.68 and 113,743.84
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Solution
The fourth proportional to 198,628.96, 274,093.68 and 113,743.84 is: 156,958.32
Step by Step Solution
- Step 1: Write the proportion equation
198,628.96 : 274,093.68 = 113,743.84 : x - Step 2: Convert to fraction form
198,628.96/274,093.68 = 113,743.84/x - Step 3: Cross multiply
198,628.96x = 274,093.68 × 113,743.84 - Step 4: Simplify right side
198,628.96x = 31,176,467,682.93 - Step 5: Solve for x
x = 31,176,467,682.93/198,628.96 - Step 6: Final answer
x = 156,958.32
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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.