Finding the Fourth Proportional to 548,107.20, 756,346.14 and 333,217.44
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Solution
The fourth proportional to 548,107.20, 756,346.14 and 333,217.44 is: 459,814.66
Step by Step Solution
- Step 1: Write the proportion equation
548,107.20 : 756,346.14 = 333,217.44 : x - Step 2: Convert to fraction form
548,107.20/756,346.14 = 333,217.44/x - Step 3: Cross multiply
548,107.20x = 756,346.14 × 333,217.44 - Step 4: Simplify right side
548,107.20x = 252,027,724,524.68 - Step 5: Solve for x
x = 252,027,724,524.68/548,107.20 - Step 6: Final answer
x = 459,814.66
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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.