Finding the Fourth Proportional to 100,163.99, 150,245.99 and 40,219.84
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Solution
The fourth proportional to 100,163.99, 150,245.99 and 40,219.84 is: 60,329.76
Step by Step Solution
- Step 1: Write the proportion equation
100,163.99 : 150,245.99 = 40,219.84 : x - Step 2: Convert to fraction form
100,163.99/150,245.99 = 40,219.84/x - Step 3: Cross multiply
100,163.99x = 150,245.99 × 40,219.84 - Step 4: Simplify right side
100,163.99x = 6,042,869,815.97 - Step 5: Solve for x
x = 6,042,869,815.97/100,163.99 - Step 6: Final answer
x = 60,329.76
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Similar ratio
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1.5x scale
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.