Finding the Fourth Proportional to 206,523.41, 309,800.50 and 80,267.09
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Solution
The fourth proportional to 206,523.41, 309,800.50 and 80,267.09 is: 120,406.61
Step by Step Solution
- Step 1: Write the proportion equation
206,523.41 : 309,800.50 = 80,267.09 : x - Step 2: Convert to fraction form
206,523.41/309,800.50 = 80,267.09/x - Step 3: Cross multiply
206,523.41x = 309,800.50 × 80,267.09 - Step 4: Simplify right side
206,523.41x = 24,866,782,865.87 - Step 5: Solve for x
x = 24,866,782,865.87/206,523.41 - Step 6: Final answer
x = 120,406.61
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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.