Finding the Fourth Proportional to 281,734.41, 422,601.62 and 170,693.13
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Solution
The fourth proportional to 281,734.41, 422,601.62 and 170,693.13 is: 256,039.70
Step by Step Solution
- Step 1: Write the proportion equation
281,734.41 : 422,601.62 = 170,693.13 : x - Step 2: Convert to fraction form
281,734.41/422,601.62 = 170,693.13/x - Step 3: Cross multiply
281,734.41x = 422,601.62 × 170,693.13 - Step 4: Simplify right side
281,734.41x = 72,135,193,260.87 - Step 5: Solve for x
x = 72,135,193,260.87/281,734.41 - Step 6: Final answer
x = 256,039.70
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1.5x scale
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.