Finding the Fourth Proportional to 331,115.70, 496,682.67 and 120,910.26
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Solution
The fourth proportional to 331,115.70, 496,682.67 and 120,910.26 is: 181,368.72
Step by Step Solution
- Step 1: Write the proportion equation
331,115.70 : 496,682.67 = 120,910.26 : x - Step 2: Convert to fraction form
331,115.70/496,682.67 = 120,910.26/x - Step 3: Cross multiply
331,115.70x = 496,682.67 × 120,910.26 - Step 4: Simplify right side
331,115.70x = 60,054,030,767.19 - Step 5: Solve for x
x = 60,054,030,767.19/331,115.70 - Step 6: Final answer
x = 181,368.72
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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.