Finding the Fourth Proportional to 221,442.75, 332,164.17 and 55,230.75
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Solution
The fourth proportional to 221,442.75, 332,164.17 and 55,230.75 is: 82,846.14
Step by Step Solution
- Step 1: Write the proportion equation
221,442.75 : 332,164.17 = 55,230.75 : x - Step 2: Convert to fraction form
221,442.75/332,164.17 = 55,230.75/x - Step 3: Cross multiply
221,442.75x = 332,164.17 × 55,230.75 - Step 4: Simplify right side
221,442.75x = 18,345,676,232.23 - Step 5: Solve for x
x = 18,345,676,232.23/221,442.75 - Step 6: Final answer
x = 82,846.14
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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.