Finding the Fourth Proportional to 263,618.12, 363,793.02 and 142,759.41
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Solution
The fourth proportional to 263,618.12, 363,793.02 and 142,759.41 is: 197,007.99
Step by Step Solution
- Step 1: Write the proportion equation
263,618.12 : 363,793.02 = 142,759.41 : x - Step 2: Convert to fraction form
263,618.12/363,793.02 = 142,759.41/x - Step 3: Cross multiply
263,618.12x = 363,793.02 × 142,759.41 - Step 4: Simplify right side
263,618.12x = 51,934,876,897.32 - Step 5: Solve for x
x = 51,934,876,897.32/263,618.12 - Step 6: Final answer
x = 197,007.99
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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.