Finding the Fourth Proportional to 187,911.88, 281,837.81 and 54,760.99
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Solution
The fourth proportional to 187,911.88, 281,837.81 and 54,760.99 is: 82,132.74
Step by Step Solution
- Step 1: Write the proportion equation
187,911.88 : 281,837.81 = 54,760.99 : x - Step 2: Convert to fraction form
187,911.88/281,837.81 = 54,760.99/x - Step 3: Cross multiply
187,911.88x = 281,837.81 × 54,760.99 - Step 4: Simplify right side
187,911.88x = 15,433,716,905.44 - Step 5: Solve for x
x = 15,433,716,905.44/187,911.88 - Step 6: Final answer
x = 82,132.74
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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.