Finding the Fourth Proportional to 330,806.97, 496,374.48 and 131,122.94
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Solution
The fourth proportional to 330,806.97, 496,374.48 and 131,122.94 is: 196,749.42
Step by Step Solution
- Step 1: Write the proportion equation
330,806.97 : 496,374.48 = 131,122.94 : x - Step 2: Convert to fraction form
330,806.97/496,374.48 = 131,122.94/x - Step 3: Cross multiply
330,806.97x = 496,374.48 × 131,122.94 - Step 4: Simplify right side
330,806.97x = 65,086,078,676.70 - Step 5: Solve for x
x = 65,086,078,676.70/330,806.97 - Step 6: Final answer
x = 196,749.42
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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.