Finding the Fourth Proportional to 289,771.36, 434,550.60 and 100,183.12
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Solution
The fourth proportional to 289,771.36, 434,550.60 and 100,183.12 is: 150,237.88
Step by Step Solution
- Step 1: Write the proportion equation
289,771.36 : 434,550.60 = 100,183.12 : x - Step 2: Convert to fraction form
289,771.36/434,550.60 = 100,183.12/x - Step 3: Cross multiply
289,771.36x = 434,550.60 × 100,183.12 - Step 4: Simplify right side
289,771.36x = 43,534,634,905.87 - Step 5: Solve for x
x = 43,534,634,905.87/289,771.36 - Step 6: Final answer
x = 150,237.88
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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.