Finding the Fourth Proportional to 198,149.08, 273,464.94 and 113,249.96
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Solution
The fourth proportional to 198,149.08, 273,464.94 and 113,249.96 is: 156,295.92
Step by Step Solution
- Step 1: Write the proportion equation
198,149.08 : 273,464.94 = 113,249.96 : x - Step 2: Convert to fraction form
198,149.08/273,464.94 = 113,249.96/x - Step 3: Cross multiply
198,149.08x = 273,464.94 × 113,249.96 - Step 4: Simplify right side
198,149.08x = 30,969,893,516.40 - Step 5: Solve for x
x = 30,969,893,516.40/198,149.08 - Step 6: Final answer
x = 156,295.92
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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.