Finding the Fourth Proportional to 73,442.22, 110,163.11 and 20,851.74
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Solution
The fourth proportional to 73,442.22, 110,163.11 and 20,851.74 is: 31,277.55
Step by Step Solution
- Step 1: Write the proportion equation
73,442.22 : 110,163.11 = 20,851.74 : x - Step 2: Convert to fraction form
73,442.22/110,163.11 = 20,851.74/x - Step 3: Cross multiply
73,442.22x = 110,163.11 × 20,851.74 - Step 4: Simplify right side
73,442.22x = 2,297,092,423.05 - Step 5: Solve for x
x = 2,297,092,423.05/73,442.22 - Step 6: Final answer
x = 31,277.55
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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.