Finding the Fourth Proportional to 201,158.75, 301,306.18 and 189,381.75
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Solution
The fourth proportional to 201,158.75, 301,306.18 and 189,381.75 is: 283,665.97
Step by Step Solution
- Step 1: Write the proportion equation
201,158.75 : 301,306.18 = 189,381.75 : x - Step 2: Convert to fraction form
201,158.75/301,306.18 = 189,381.75/x - Step 3: Cross multiply
201,158.75x = 301,306.18 × 189,381.75 - Step 4: Simplify right side
201,158.75x = 57,061,891,654.22 - Step 5: Solve for x
x = 57,061,891,654.22/201,158.75 - Step 6: Final answer
x = 283,665.97
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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.