Finding the Fourth Proportional to 300,346.24, 451,102.56 and 221,147.68
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Solution
The fourth proportional to 300,346.24, 451,102.56 and 221,147.68 is: 332,150.94
Step by Step Solution
- Step 1: Write the proportion equation
300,346.24 : 451,102.56 = 221,147.68 : x - Step 2: Convert to fraction form
300,346.24/451,102.56 = 221,147.68/x - Step 3: Cross multiply
300,346.24x = 451,102.56 × 221,147.68 - Step 4: Simplify right side
300,346.24x = 99,760,284,586.06 - Step 5: Solve for x
x = 99,760,284,586.06/300,346.24 - Step 6: Final answer
x = 332,150.94
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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.