Finding the Fourth Proportional to 394,220.68, 591,644.94 and 204,735.88
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Solution
The fourth proportional to 394,220.68, 591,644.94 and 204,735.88 is: 307,266.85
Step by Step Solution
- Step 1: Write the proportion equation
394,220.68 : 591,644.94 = 204,735.88 : x - Step 2: Convert to fraction form
394,220.68/591,644.94 = 204,735.88/x - Step 3: Cross multiply
394,220.68x = 591,644.94 × 204,735.88 - Step 4: Simplify right side
394,220.68x = 121,130,947,438.45 - Step 5: Solve for x
x = 121,130,947,438.45/394,220.68 - Step 6: Final answer
x = 307,266.85
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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.