Finding the Fourth Proportional to 198,060.08, 273,305.76 and 116,379.68
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Solution
The fourth proportional to 198,060.08, 273,305.76 and 116,379.68 is: 160,593.88
Step by Step Solution
- Step 1: Write the proportion equation
198,060.08 : 273,305.76 = 116,379.68 : x - Step 2: Convert to fraction form
198,060.08/273,305.76 = 116,379.68/x - Step 3: Cross multiply
198,060.08x = 273,305.76 × 116,379.68 - Step 4: Simplify right side
198,060.08x = 31,807,236,890.96 - Step 5: Solve for x
x = 31,807,236,890.96/198,060.08 - Step 6: Final answer
x = 160,593.88
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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.