Finding the Fourth Proportional to 268,879.34, 403,568.23 and 135,853.09
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Solution
The fourth proportional to 268,879.34, 403,568.23 and 135,853.09 is: 203,905.56
Step by Step Solution
- Step 1: Write the proportion equation
268,879.34 : 403,568.23 = 135,853.09 : x - Step 2: Convert to fraction form
268,879.34/403,568.23 = 135,853.09/x - Step 3: Cross multiply
268,879.34x = 403,568.23 × 135,853.09 - Step 4: Simplify right side
268,879.34x = 54,825,990,232.23 - Step 5: Solve for x
x = 54,825,990,232.23/268,879.34 - Step 6: Final answer
x = 203,905.56
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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.