Finding the Fourth Proportional to 323,580.26, 485,589.09 and 113,220.02
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Solution
The fourth proportional to 323,580.26, 485,589.09 and 113,220.02 is: 169,906.55
Step by Step Solution
- Step 1: Write the proportion equation
323,580.26 : 485,589.09 = 113,220.02 : x - Step 2: Convert to fraction form
323,580.26/485,589.09 = 113,220.02/x - Step 3: Cross multiply
323,580.26x = 485,589.09 × 113,220.02 - Step 4: Simplify right side
323,580.26x = 54,978,406,481.58 - Step 5: Solve for x
x = 54,978,406,481.58/323,580.26 - Step 6: Final answer
x = 169,906.55
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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.