Finding the Fourth Proportional to 268,879.71, 403,568.80 and 135,853.46
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Solution
The fourth proportional to 268,879.71, 403,568.80 and 135,853.46 is: 203,906.12
Step by Step Solution
- Step 1: Write the proportion equation
268,879.71 : 403,568.80 = 135,853.46 : x - Step 2: Convert to fraction form
268,879.71/403,568.80 = 135,853.46/x - Step 3: Cross multiply
268,879.71x = 403,568.80 × 135,853.46 - Step 4: Simplify right side
268,879.71x = 54,826,217,148.78 - Step 5: Solve for x
x = 54,826,217,148.78/268,879.71 - Step 6: Final answer
x = 203,906.12
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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.