Finding the Fourth Proportional to 394,057.63, 543,800.13 and 224,291.75
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Solution
The fourth proportional to 394,057.63, 543,800.13 and 224,291.75 is: 309,522.96
Step by Step Solution
- Step 1: Write the proportion equation
394,057.63 : 543,800.13 = 224,291.75 : x - Step 2: Convert to fraction form
394,057.63/543,800.13 = 224,291.75/x - Step 3: Cross multiply
394,057.63x = 543,800.13 × 224,291.75 - Step 4: Simplify right side
394,057.63x = 121,969,882,807.93 - Step 5: Solve for x
x = 121,969,882,807.93/394,057.63 - Step 6: Final answer
x = 309,522.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.