Finding the Fourth Proportional to 263,709.14, 363,920.38 and 142,850.44
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Solution
The fourth proportional to 263,709.14, 363,920.38 and 142,850.44 is: 197,134.56
Step by Step Solution
- Step 1: Write the proportion equation
263,709.14 : 363,920.38 = 142,850.44 : x - Step 2: Convert to fraction form
263,709.14/363,920.38 = 142,850.44/x - Step 3: Cross multiply
263,709.14x = 363,920.38 × 142,850.44 - Step 4: Simplify right side
263,709.14x = 51,986,186,407.97 - Step 5: Solve for x
x = 51,986,186,407.97/263,709.14 - Step 6: Final answer
x = 197,134.56
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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.