Finding the Fourth Proportional to 394,817.44, 591,949.68 and 145,432.48
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Solution
The fourth proportional to 394,817.44, 591,949.68 and 145,432.48 is: 218,046.88
Step by Step Solution
- Step 1: Write the proportion equation
394,817.44 : 591,949.68 = 145,432.48 : x - Step 2: Convert to fraction form
394,817.44/591,949.68 = 145,432.48/x - Step 3: Cross multiply
394,817.44x = 591,949.68 × 145,432.48 - Step 4: Simplify right side
394,817.44x = 86,088,709,997.61 - Step 5: Solve for x
x = 86,088,709,997.61/394,817.44 - Step 6: Final answer
x = 218,046.88
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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.