Finding the Fourth Proportional to 187,953.63, 281,864.81 and 75,604.70
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Solution
The fourth proportional to 187,953.63, 281,864.81 and 75,604.70 is: 113,380.66
Step by Step Solution
- Step 1: Write the proportion equation
187,953.63 : 281,864.81 = 75,604.70 : x - Step 2: Convert to fraction form
187,953.63/281,864.81 = 75,604.70/x - Step 3: Cross multiply
187,953.63x = 281,864.81 × 75,604.70 - Step 4: Simplify right side
187,953.63x = 21,310,305,690.65 - Step 5: Solve for x
x = 21,310,305,690.65/187,953.63 - Step 6: Final answer
x = 113,380.66
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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.