Finding the Fourth Proportional to 445,163.13, 667,738.88 and 108,202.81
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Solution
The fourth proportional to 445,163.13, 667,738.88 and 108,202.81 is: 162,302.80
Step by Step Solution
- Step 1: Write the proportion equation
445,163.13 : 667,738.88 = 108,202.81 : x - Step 2: Convert to fraction form
445,163.13/667,738.88 = 108,202.81/x - Step 3: Cross multiply
445,163.13x = 667,738.88 × 108,202.81 - Step 4: Simplify right side
445,163.13x = 72,251,222,621.24 - Step 5: Solve for x
x = 72,251,222,621.24/445,163.13 - Step 6: Final answer
x = 162,302.80
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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.