Finding the Fourth Proportional to 73,183.19, 109,775.05 and 17,779.19
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Solution
The fourth proportional to 73,183.19, 109,775.05 and 17,779.19 is: 26,668.85
Step by Step Solution
- Step 1: Write the proportion equation
73,183.19 : 109,775.05 = 17,779.19 : x - Step 2: Convert to fraction form
73,183.19/109,775.05 = 17,779.19/x - Step 3: Cross multiply
73,183.19x = 109,775.05 × 17,779.19 - Step 4: Simplify right side
73,183.19x = 1,951,711,471.21 - Step 5: Solve for x
x = 1,951,711,471.21/73,183.19 - Step 6: Final answer
x = 26,668.85
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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.