Finding the Fourth Proportional to 449,786.48, 674,134.06 and 330,350.28
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Solution
The fourth proportional to 449,786.48, 674,134.06 and 330,350.28 is: 495,124.65
Step by Step Solution
- Step 1: Write the proportion equation
449,786.48 : 674,134.06 = 330,350.28 : x - Step 2: Convert to fraction form
449,786.48/674,134.06 = 330,350.28/x - Step 3: Cross multiply
449,786.48x = 674,134.06 × 330,350.28 - Step 4: Simplify right side
449,786.48x = 222,700,375,478.54 - Step 5: Solve for x
x = 222,700,375,478.54/449,786.48 - Step 6: Final answer
x = 495,124.65
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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.