Finding the Fourth Proportional to 225,608.96, 311,340.84 and 125,006.96
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Solution
The fourth proportional to 225,608.96, 311,340.84 and 125,006.96 is: 172,509.87
Step by Step Solution
- Step 1: Write the proportion equation
225,608.96 : 311,340.84 = 125,006.96 : x - Step 2: Convert to fraction form
225,608.96/311,340.84 = 125,006.96/x - Step 3: Cross multiply
225,608.96x = 311,340.84 × 125,006.96 - Step 4: Simplify right side
225,608.96x = 38,919,771,932.25 - Step 5: Solve for x
x = 38,919,771,932.25/225,608.96 - Step 6: Final answer
x = 172,509.87
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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.