Finding the Fourth Proportional to 259,723.44, 389,546.19 and 82,207.44
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Solution
The fourth proportional to 259,723.44, 389,546.19 and 82,207.44 is: 123,298.83
Step by Step Solution
- Step 1: Write the proportion equation
259,723.44 : 389,546.19 = 82,207.44 : x - Step 2: Convert to fraction form
259,723.44/389,546.19 = 82,207.44/x - Step 3: Cross multiply
259,723.44x = 389,546.19 × 82,207.44 - Step 4: Simplify right side
259,723.44x = 32,023,595,041.65 - Step 5: Solve for x
x = 32,023,595,041.65/259,723.44 - Step 6: Final answer
x = 123,298.83
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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.