Finding the Fourth Proportional to 441,408.44, 661,944.58 and 261,544.62
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Solution
The fourth proportional to 441,408.44, 661,944.58 and 261,544.62 is: 392,217.34
Step by Step Solution
- Step 1: Write the proportion equation
441,408.44 : 661,944.58 = 261,544.62 : x - Step 2: Convert to fraction form
441,408.44/661,944.58 = 261,544.62/x - Step 3: Cross multiply
441,408.44x = 661,944.58 × 261,544.62 - Step 4: Simplify right side
441,408.44x = 173,128,042,329.44 - Step 5: Solve for x
x = 173,128,042,329.44/441,408.44 - Step 6: Final answer
x = 392,217.34
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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.