Finding the Fourth Proportional to 193,755.80, 267,415.12 and 113,183.08
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Solution
The fourth proportional to 193,755.80, 267,415.12 and 113,183.08 is: 156,211.41
Step by Step Solution
- Step 1: Write the proportion equation
193,755.80 : 267,415.12 = 113,183.08 : x - Step 2: Convert to fraction form
193,755.80/267,415.12 = 113,183.08/x - Step 3: Cross multiply
193,755.80x = 267,415.12 × 113,183.08 - Step 4: Simplify right side
193,755.80x = 30,266,866,920.17 - Step 5: Solve for x
x = 30,266,866,920.17/193,755.80 - Step 6: Final answer
x = 156,211.41
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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.