Finding the Fourth Proportional to 218,377.42, 327,371.18 and 85,226.64
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Solution
The fourth proportional to 218,377.42, 327,371.18 and 85,226.64 is: 127,763.88
Step by Step Solution
- Step 1: Write the proportion equation
218,377.42 : 327,371.18 = 85,226.64 : x - Step 2: Convert to fraction form
218,377.42/327,371.18 = 85,226.64/x - Step 3: Cross multiply
218,377.42x = 327,371.18 × 85,226.64 - Step 4: Simplify right side
218,377.42x = 27,900,745,704.24 - Step 5: Solve for x
x = 27,900,745,704.24/218,377.42 - Step 6: Final answer
x = 127,763.88
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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.