Finding the Fourth Proportional to 218,568.24, 327,739.56 and 100,138.08
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Solution
The fourth proportional to 218,568.24, 327,739.56 and 100,138.08 is: 150,155.44
Step by Step Solution
- Step 1: Write the proportion equation
218,568.24 : 327,739.56 = 100,138.08 : x - Step 2: Convert to fraction form
218,568.24/327,739.56 = 100,138.08/x - Step 3: Cross multiply
218,568.24x = 327,739.56 × 100,138.08 - Step 4: Simplify right side
218,568.24x = 32,819,210,278.44 - Step 5: Solve for x
x = 32,819,210,278.44/218,568.24 - Step 6: Final answer
x = 150,155.44
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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.