Finding the Fourth Proportional to 445,177.26, 667,218.06 and 253,212.84
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Solution
The fourth proportional to 445,177.26, 667,218.06 and 253,212.84 is: 379,507.66
Step by Step Solution
- Step 1: Write the proportion equation
445,177.26 : 667,218.06 = 253,212.84 : x - Step 2: Convert to fraction form
445,177.26/667,218.06 = 253,212.84/x - Step 3: Cross multiply
445,177.26x = 667,218.06 × 253,212.84 - Step 4: Simplify right side
445,177.26x = 168,948,179,871.89 - Step 5: Solve for x
x = 168,948,179,871.89/445,177.26 - Step 6: Final answer
x = 379,507.66
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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.