Finding the Fourth Proportional to 187,993.43, 281,919.97 and 75,635.70
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Solution
The fourth proportional to 187,993.43, 281,919.97 and 75,635.70 is: 113,425.32
Step by Step Solution
- Step 1: Write the proportion equation
187,993.43 : 281,919.97 = 75,635.70 : x - Step 2: Convert to fraction form
187,993.43/281,919.97 = 75,635.70/x - Step 3: Cross multiply
187,993.43x = 281,919.97 × 75,635.70 - Step 4: Simplify right side
187,993.43x = 21,323,214,274.93 - Step 5: Solve for x
x = 21,323,214,274.93/187,993.43 - Step 6: Final answer
x = 113,425.32
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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.