Finding the Fourth Proportional to 263,458.70, 363,436.05 and 161,508.05
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Solution
The fourth proportional to 263,458.70, 363,436.05 and 161,508.05 is: 222,797.15
Step by Step Solution
- Step 1: Write the proportion equation
263,458.70 : 363,436.05 = 161,508.05 : x - Step 2: Convert to fraction form
263,458.70/363,436.05 = 161,508.05/x - Step 3: Cross multiply
263,458.70x = 363,436.05 × 161,508.05 - Step 4: Simplify right side
263,458.70x = 58,697,847,735.20 - Step 5: Solve for x
x = 58,697,847,735.20/263,458.70 - Step 6: Final answer
x = 222,797.15
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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.