Finding the Fourth Proportional to 141,464.68, 212,181.18 and 36,286.12
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Solution
The fourth proportional to 141,464.68, 212,181.18 and 36,286.12 is: 54,425.12
Step by Step Solution
- Step 1: Write the proportion equation
141,464.68 : 212,181.18 = 36,286.12 : x - Step 2: Convert to fraction form
141,464.68/212,181.18 = 36,286.12/x - Step 3: Cross multiply
141,464.68x = 212,181.18 × 36,286.12 - Step 4: Simplify right side
141,464.68x = 7,699,231,759.22 - Step 5: Solve for x
x = 7,699,231,759.22/141,464.68 - Step 6: Final answer
x = 54,425.12
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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.