Finding the Fourth Proportional to 75,556.62, 113,322.56 and 22,236.12
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Solution
The fourth proportional to 75,556.62, 113,322.56 and 22,236.12 is: 33,350.54
Step by Step Solution
- Step 1: Write the proportion equation
75,556.62 : 113,322.56 = 22,236.12 : x - Step 2: Convert to fraction form
75,556.62/113,322.56 = 22,236.12/x - Step 3: Cross multiply
75,556.62x = 113,322.56 × 22,236.12 - Step 4: Simplify right side
75,556.62x = 2,519,854,042.87 - Step 5: Solve for x
x = 2,519,854,042.87/75,556.62 - Step 6: Final answer
x = 33,350.54
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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.