Finding the Fourth Proportional to 198,064.26, 273,329.12 and 113,181.12
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Solution
The fourth proportional to 198,064.26, 273,329.12 and 113,181.12 is: 156,190.20
Step by Step Solution
- Step 1: Write the proportion equation
198,064.26 : 273,329.12 = 113,181.12 : x - Step 2: Convert to fraction form
198,064.26/273,329.12 = 113,181.12/x - Step 3: Cross multiply
198,064.26x = 273,329.12 × 113,181.12 - Step 4: Simplify right side
198,064.26x = 30,935,695,930.21 - Step 5: Solve for x
x = 30,935,695,930.21/198,064.26 - Step 6: Final answer
x = 156,190.20
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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.