Finding the Fourth Proportional to 394,300.13, 591,027.84 and 281,638.67
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Solution
The fourth proportional to 394,300.13, 591,027.84 and 281,638.67 is: 422,156.33
Step by Step Solution
- Step 1: Write the proportion equation
394,300.13 : 591,027.84 = 281,638.67 : x - Step 2: Convert to fraction form
394,300.13/591,027.84 = 281,638.67/x - Step 3: Cross multiply
394,300.13x = 591,027.84 × 281,638.67 - Step 4: Simplify right side
394,300.13x = 166,456,294,790.57 - Step 5: Solve for x
x = 166,456,294,790.57/394,300.13 - Step 6: Final answer
x = 422,156.33
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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.