Finding the Fourth Proportional to 306,057.02, 422,350.14 and 170,087.44
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Solution
The fourth proportional to 306,057.02, 422,350.14 and 170,087.44 is: 234,715.92
Step by Step Solution
- Step 1: Write the proportion equation
306,057.02 : 422,350.14 = 170,087.44 : x - Step 2: Convert to fraction form
306,057.02/422,350.14 = 170,087.44/x - Step 3: Cross multiply
306,057.02x = 422,350.14 × 170,087.44 - Step 4: Simplify right side
306,057.02x = 71,836,454,096.24 - Step 5: Solve for x
x = 71,836,454,096.24/306,057.02 - Step 6: Final answer
x = 234,715.92
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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.