Finding the Fourth Proportional to 394,115.12, 591,260.16 and 113,610.48
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Solution
The fourth proportional to 394,115.12, 591,260.16 and 113,610.48 is: 170,440.94
Step by Step Solution
- Step 1: Write the proportion equation
394,115.12 : 591,260.16 = 113,610.48 : x - Step 2: Convert to fraction form
394,115.12/591,260.16 = 113,610.48/x - Step 3: Cross multiply
394,115.12x = 591,260.16 × 113,610.48 - Step 4: Simplify right side
394,115.12x = 67,173,350,582.48 - Step 5: Solve for x
x = 67,173,350,582.48/394,115.12 - Step 6: Final answer
x = 170,440.94
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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.