Finding the Fourth Proportional to 394,021.44, 591,007.84 and 157,193.64
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Solution
The fourth proportional to 394,021.44, 591,007.84 and 157,193.64 is: 235,780.76
Step by Step Solution
- Step 1: Write the proportion equation
394,021.44 : 591,007.84 = 157,193.64 : x - Step 2: Convert to fraction form
394,021.44/591,007.84 = 157,193.64/x - Step 3: Cross multiply
394,021.44x = 591,007.84 × 157,193.64 - Step 4: Simplify right side
394,021.44x = 92,902,673,638.14 - Step 5: Solve for x
x = 92,902,673,638.14/394,021.44 - Step 6: Final answer
x = 235,780.76
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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.