Finding the Fourth Proportional to 332,748.28, 499,163.64 and 130,318.12
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Solution
The fourth proportional to 332,748.28, 499,163.64 and 130,318.12 is: 195,493.32
Step by Step Solution
- Step 1: Write the proportion equation
332,748.28 : 499,163.64 = 130,318.12 : x - Step 2: Convert to fraction form
332,748.28/499,163.64 = 130,318.12/x - Step 3: Cross multiply
332,748.28x = 499,163.64 × 130,318.12 - Step 4: Simplify right side
332,748.28x = 65,050,067,137.16 - Step 5: Solve for x
x = 65,050,067,137.16/332,748.28 - Step 6: Final answer
x = 195,493.32
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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.