Finding the Fourth Proportional to 394,753.12, 591,639.08 and 181,294.64
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Solution
The fourth proportional to 394,753.12, 591,639.08 and 181,294.64 is: 271,716.65
Step by Step Solution
- Step 1: Write the proportion equation
394,753.12 : 591,639.08 = 181,294.64 : x - Step 2: Convert to fraction form
394,753.12/591,639.08 = 181,294.64/x - Step 3: Cross multiply
394,753.12x = 591,639.08 × 181,294.64 - Step 4: Simplify right side
394,753.12x = 107,260,994,018.53 - Step 5: Solve for x
x = 107,260,994,018.53/394,753.12 - Step 6: Final answer
x = 271,716.65
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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.