Finding the Fourth Proportional to 207,629.63, 311,201.49 and 95,320.70
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Solution
The fourth proportional to 207,629.63, 311,201.49 and 95,320.70 is: 142,869.51
Step by Step Solution
- Step 1: Write the proportion equation
207,629.63 : 311,201.49 = 95,320.70 : x - Step 2: Convert to fraction form
207,629.63/311,201.49 = 95,320.70/x - Step 3: Cross multiply
207,629.63x = 311,201.49 × 95,320.70 - Step 4: Simplify right side
207,629.63x = 29,663,943,836.29 - Step 5: Solve for x
x = 29,663,943,836.29/207,629.63 - Step 6: Final answer
x = 142,869.51
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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.