Finding the Fourth Proportional to 206,152.62, 308,937.33 and 87,704.70
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Solution
The fourth proportional to 206,152.62, 308,937.33 and 87,704.70 is: 131,432.99
Step by Step Solution
- Step 1: Write the proportion equation
206,152.62 : 308,937.33 = 87,704.70 : x - Step 2: Convert to fraction form
206,152.62/308,937.33 = 87,704.70/x - Step 3: Cross multiply
206,152.62x = 308,937.33 × 87,704.70 - Step 4: Simplify right side
206,152.62x = 27,095,255,846.45 - Step 5: Solve for x
x = 27,095,255,846.45/206,152.62 - Step 6: Final answer
x = 131,432.99
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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.