Finding the Fourth Proportional to 465,076.49, 641,928.24 and 274,217.00
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Solution
The fourth proportional to 465,076.49, 641,928.24 and 274,217.00 is: 378,491.79
Step by Step Solution
- Step 1: Write the proportion equation
465,076.49 : 641,928.24 = 274,217.00 : x - Step 2: Convert to fraction form
465,076.49/641,928.24 = 274,217.00/x - Step 3: Cross multiply
465,076.49x = 641,928.24 × 274,217.00 - Step 4: Simplify right side
465,076.49x = 176,027,632,978.44 - Step 5: Solve for x
x = 176,027,632,978.44/465,076.49 - Step 6: Final answer
x = 378,491.79
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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.