Finding the Fourth Proportional to 216,506.18, 324,676.25 and 74,324.96
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Solution
The fourth proportional to 216,506.18, 324,676.25 and 74,324.96 is: 111,458.94
Step by Step Solution
- Step 1: Write the proportion equation
216,506.18 : 324,676.25 = 74,324.96 : x - Step 2: Convert to fraction form
216,506.18/324,676.25 = 74,324.96/x - Step 3: Cross multiply
216,506.18x = 324,676.25 × 74,324.96 - Step 4: Simplify right side
216,506.18x = 24,131,548,795.45 - Step 5: Solve for x
x = 24,131,548,795.45/216,506.18 - Step 6: Final answer
x = 111,458.94
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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.