Finding the Fourth Proportional to 170,785.40, 255,882.84 and 132,846.44
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Solution
The fourth proportional to 170,785.40, 255,882.84 and 132,846.44 is: 199,039.99
Step by Step Solution
- Step 1: Write the proportion equation
170,785.40 : 255,882.84 = 132,846.44 : x - Step 2: Convert to fraction form
170,785.40/255,882.84 = 132,846.44/x - Step 3: Cross multiply
170,785.40x = 255,882.84 × 132,846.44 - Step 4: Simplify right side
170,785.40x = 33,993,124,351.09 - Step 5: Solve for x
x = 33,993,124,351.09/170,785.40 - Step 6: Final answer
x = 199,039.99
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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.