Finding the Fourth Proportional to 445,198.84, 667,805.58 and 125,358.42
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Solution
The fourth proportional to 445,198.84, 667,805.58 and 125,358.42 is: 188,039.69
Step by Step Solution
- Step 1: Write the proportion equation
445,198.84 : 667,805.58 = 125,358.42 : x - Step 2: Convert to fraction form
445,198.84/667,805.58 = 125,358.42/x - Step 3: Cross multiply
445,198.84x = 667,805.58 × 125,358.42 - Step 4: Simplify right side
445,198.84x = 83,715,049,036.96 - Step 5: Solve for x
x = 83,715,049,036.96/445,198.84 - Step 6: Final answer
x = 188,039.69
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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.