Finding the Fourth Proportional to 212,251.03, 318,183.23 and 136,370.19
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Solution
The fourth proportional to 212,251.03, 318,183.23 and 136,370.19 is: 204,431.09
Step by Step Solution
- Step 1: Write the proportion equation
212,251.03 : 318,183.23 = 136,370.19 : x - Step 2: Convert to fraction form
212,251.03/318,183.23 = 136,370.19/x - Step 3: Cross multiply
212,251.03x = 318,183.23 × 136,370.19 - Step 4: Simplify right side
212,251.03x = 43,390,709,064.03 - Step 5: Solve for x
x = 43,390,709,064.03/212,251.03 - Step 6: Final answer
x = 204,431.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.