Finding the Fourth Proportional to 106,790.26, 160,183.23 and 31,910.62
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Solution
The fourth proportional to 106,790.26, 160,183.23 and 31,910.62 is: 47,865.28
Step by Step Solution
- Step 1: Write the proportion equation
106,790.26 : 160,183.23 = 31,910.62 : x - Step 2: Convert to fraction form
106,790.26/160,183.23 = 31,910.62/x - Step 3: Cross multiply
106,790.26x = 160,183.23 × 31,910.62 - Step 4: Simplify right side
106,790.26x = 5,111,546,182.90 - Step 5: Solve for x
x = 5,111,546,182.90/106,790.26 - Step 6: Final answer
x = 47,865.28
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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.