Finding the Fourth Proportional to 208,793.35, 313,086.21 and 66,619.99
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Solution
The fourth proportional to 208,793.35, 313,086.21 and 66,619.99 is: 99,896.86
Step by Step Solution
- Step 1: Write the proportion equation
208,793.35 : 313,086.21 = 66,619.99 : x - Step 2: Convert to fraction form
208,793.35/313,086.21 = 66,619.99/x - Step 3: Cross multiply
208,793.35x = 313,086.21 × 66,619.99 - Step 4: Simplify right side
208,793.35x = 20,857,800,179.34 - Step 5: Solve for x
x = 20,857,800,179.34/208,793.35 - Step 6: Final answer
x = 99,896.86
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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.