Finding the Fourth Proportional to 323,934.88, 485,906.64 and 113,578.96
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Solution
The fourth proportional to 323,934.88, 485,906.64 and 113,578.96 is: 170,369.95
Step by Step Solution
- Step 1: Write the proportion equation
323,934.88 : 485,906.64 = 113,578.96 : x - Step 2: Convert to fraction form
323,934.88/485,906.64 = 113,578.96/x - Step 3: Cross multiply
323,934.88x = 485,906.64 × 113,578.96 - Step 4: Simplify right side
323,934.88x = 55,188,770,828.29 - Step 5: Solve for x
x = 55,188,770,828.29/323,934.88 - Step 6: Final answer
x = 170,369.95
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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.