Finding the Fourth Proportional to 146,107.70, 219,183.45 and 61,867.70
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Solution
The fourth proportional to 146,107.70, 219,183.45 and 61,867.70 is: 92,810.82
Step by Step Solution
- Step 1: Write the proportion equation
146,107.70 : 219,183.45 = 61,867.70 : x - Step 2: Convert to fraction form
146,107.70/219,183.45 = 61,867.70/x - Step 3: Cross multiply
146,107.70x = 219,183.45 × 61,867.70 - Step 4: Simplify right side
146,107.70x = 13,560,375,929.57 - Step 5: Solve for x
x = 13,560,375,929.57/146,107.70 - Step 6: Final answer
x = 92,810.82
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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.