Finding the Fourth Proportional to 394,152.12, 591,286.58 and 144,814.68
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Solution
The fourth proportional to 394,152.12, 591,286.58 and 144,814.68 is: 217,243.48
Step by Step Solution
- Step 1: Write the proportion equation
394,152.12 : 591,286.58 = 144,814.68 : x - Step 2: Convert to fraction form
394,152.12/591,286.58 = 144,814.68/x - Step 3: Cross multiply
394,152.12x = 591,286.58 × 144,814.68 - Step 4: Simplify right side
394,152.12x = 85,626,976,870.99 - Step 5: Solve for x
x = 85,626,976,870.99/394,152.12 - Step 6: Final answer
x = 217,243.48
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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.