Finding the Fourth Proportional to 363,793.71, 501,968.70 and 202,644.75
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Solution
The fourth proportional to 363,793.71, 501,968.70 and 202,644.75 is: 279,612.65
Step by Step Solution
- Step 1: Write the proportion equation
363,793.71 : 501,968.70 = 202,644.75 : x - Step 2: Convert to fraction form
363,793.71/501,968.70 = 202,644.75/x - Step 3: Cross multiply
363,793.71x = 501,968.70 × 202,644.75 - Step 4: Simplify right side
363,793.71x = 101,721,321,719.33 - Step 5: Solve for x
x = 101,721,321,719.33/363,793.71 - Step 6: Final answer
x = 279,612.65
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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.