Finding the Fourth Proportional to 263,748.15, 395,576.33 and 74,163.49
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Solution
The fourth proportional to 263,748.15, 395,576.33 and 74,163.49 is: 111,232.32
Step by Step Solution
- Step 1: Write the proportion equation
263,748.15 : 395,576.33 = 74,163.49 : x - Step 2: Convert to fraction form
263,748.15/395,576.33 = 74,163.49/x - Step 3: Cross multiply
263,748.15x = 395,576.33 × 74,163.49 - Step 4: Simplify right side
263,748.15x = 29,337,319,834.43 - Step 5: Solve for x
x = 29,337,319,834.43/263,748.15 - Step 6: Final answer
x = 111,232.32
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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.