Finding the Fourth Proportional to 263,245.44, 394,902.64 and 138,593.28
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Solution
The fourth proportional to 263,245.44, 394,902.64 and 138,593.28 is: 207,908.07
Step by Step Solution
- Step 1: Write the proportion equation
263,245.44 : 394,902.64 = 138,593.28 : x - Step 2: Convert to fraction form
263,245.44/394,902.64 = 138,593.28/x - Step 3: Cross multiply
263,245.44x = 394,902.64 × 138,593.28 - Step 4: Simplify right side
263,245.44x = 54,730,852,158.26 - Step 5: Solve for x
x = 54,730,852,158.26/263,245.44 - Step 6: Final answer
x = 207,908.07
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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.