Finding the Fourth Proportional to 306,093.20, 422,390.00 and 170,122.63
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Solution
The fourth proportional to 306,093.20, 422,390.00 and 170,122.63 is: 234,758.88
Step by Step Solution
- Step 1: Write the proportion equation
306,093.20 : 422,390.00 = 170,122.63 : x - Step 2: Convert to fraction form
306,093.20/422,390.00 = 170,122.63/x - Step 3: Cross multiply
306,093.20x = 422,390.00 × 170,122.63 - Step 4: Simplify right side
306,093.20x = 71,858,098,086.25 - Step 5: Solve for x
x = 71,858,098,086.25/306,093.20 - Step 6: Final answer
x = 234,758.88
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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.