Finding the Fourth Proportional to 264,991.30, 397,489.36 and 75,451.54
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Solution
The fourth proportional to 264,991.30, 397,489.36 and 75,451.54 is: 113,177.99
Step by Step Solution
- Step 1: Write the proportion equation
264,991.30 : 397,489.36 = 75,451.54 : x - Step 2: Convert to fraction form
264,991.30/397,489.36 = 75,451.54/x - Step 3: Cross multiply
264,991.30x = 397,489.36 × 75,451.54 - Step 4: Simplify right side
264,991.30x = 29,991,183,163.26 - Step 5: Solve for x
x = 29,991,183,163.26/264,991.30 - Step 6: Final answer
x = 113,177.99
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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.