Finding the Fourth Proportional to 394,082.08, 591,206.19 and 127,821.88
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Solution
The fourth proportional to 394,082.08, 591,206.19 and 127,821.88 is: 191,759.76
Step by Step Solution
- Step 1: Write the proportion equation
394,082.08 : 591,206.19 = 127,821.88 : x - Step 2: Convert to fraction form
394,082.08/591,206.19 = 127,821.88/x - Step 3: Cross multiply
394,082.08x = 591,206.19 × 127,821.88 - Step 4: Simplify right side
394,082.08x = 75,569,086,673.44 - Step 5: Solve for x
x = 75,569,086,673.44/394,082.08 - Step 6: Final answer
x = 191,759.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.