Finding the Fourth Proportional to 120,691.05, 181,052.48 and 44,779.26
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Solution
The fourth proportional to 120,691.05, 181,052.48 and 44,779.26 is: 67,174.79
Step by Step Solution
- Step 1: Write the proportion equation
120,691.05 : 181,052.48 = 44,779.26 : x - Step 2: Convert to fraction form
120,691.05/181,052.48 = 44,779.26/x - Step 3: Cross multiply
120,691.05x = 181,052.48 × 44,779.26 - Step 4: Simplify right side
120,691.05x = 8,107,395,851.67 - Step 5: Solve for x
x = 8,107,395,851.67/120,691.05 - Step 6: Final answer
x = 67,174.79
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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.