Finding the Fourth Proportional to 395,135.20, 590,953.20 and 332,149.60
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Solution
The fourth proportional to 395,135.20, 590,953.20 and 332,149.60 is: 496,753.69
Step by Step Solution
- Step 1: Write the proportion equation
395,135.20 : 590,953.20 = 332,149.60 : x - Step 2: Convert to fraction form
395,135.20/590,953.20 = 332,149.60/x - Step 3: Cross multiply
395,135.20x = 590,953.20 × 332,149.60 - Step 4: Simplify right side
395,135.20x = 196,284,868,998.72 - Step 5: Solve for x
x = 196,284,868,998.72/395,135.20 - Step 6: Final answer
x = 496,753.69
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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.