Finding the Fourth Proportional to 225,739.29, 311,457.20 and 177,843.99
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Solution
The fourth proportional to 225,739.29, 311,457.20 and 177,843.99 is: 245,375.05
Step by Step Solution
- Step 1: Write the proportion equation
225,739.29 : 311,457.20 = 177,843.99 : x - Step 2: Convert to fraction form
225,739.29/311,457.20 = 177,843.99/x - Step 3: Cross multiply
225,739.29x = 311,457.20 × 177,843.99 - Step 4: Simplify right side
225,739.29x = 55,390,790,273.01 - Step 5: Solve for x
x = 55,390,790,273.01/225,739.29 - Step 6: Final answer
x = 245,375.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.