Finding the Fourth Proportional to 225,652.71, 311,415.26 and 125,057.19
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Solution
The fourth proportional to 225,652.71, 311,415.26 and 125,057.19 is: 172,586.97
Step by Step Solution
- Step 1: Write the proportion equation
225,652.71 : 311,415.26 = 125,057.19 : x - Step 2: Convert to fraction form
225,652.71/311,415.26 = 125,057.19/x - Step 3: Cross multiply
225,652.71x = 311,415.26 × 125,057.19 - Step 4: Simplify right side
225,652.71x = 38,944,716,713.43 - Step 5: Solve for x
x = 38,944,716,713.43/225,652.71 - Step 6: Final answer
x = 172,586.97
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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.