Finding the Fourth Proportional to 150,519.75, 225,794.75 and 39,711.75
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Solution
The fourth proportional to 150,519.75, 225,794.75 and 39,711.75 is: 59,571.61
Step by Step Solution
- Step 1: Write the proportion equation
150,519.75 : 225,794.75 = 39,711.75 : x - Step 2: Convert to fraction form
150,519.75/225,794.75 = 39,711.75/x - Step 3: Cross multiply
150,519.75x = 225,794.75 × 39,711.75 - Step 4: Simplify right side
150,519.75x = 8,966,704,464.75 - Step 5: Solve for x
x = 8,966,704,464.75/150,519.75 - Step 6: Final answer
x = 59,571.61
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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.