Finding the Fourth Proportional to 80,449.74, 120,676.14 and 27,860.94
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Solution
The fourth proportional to 80,449.74, 120,676.14 and 27,860.94 is: 41,791.94
Step by Step Solution
- Step 1: Write the proportion equation
80,449.74 : 120,676.14 = 27,860.94 : x - Step 2: Convert to fraction form
80,449.74/120,676.14 = 27,860.94/x - Step 3: Cross multiply
80,449.74x = 120,676.14 × 27,860.94 - Step 4: Simplify right side
80,449.74x = 3,362,150,695.97 - Step 5: Solve for x
x = 3,362,150,695.97/80,449.74 - Step 6: Final answer
x = 41,791.94
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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.