Finding the Fourth Proportional to 505,446.99, 758,155.90 and 131,469.99
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Solution
The fourth proportional to 505,446.99, 758,155.90 and 131,469.99 is: 197,201.19
Step by Step Solution
- Step 1: Write the proportion equation
505,446.99 : 758,155.90 = 131,469.99 : x - Step 2: Convert to fraction form
505,446.99/758,155.90 = 131,469.99/x - Step 3: Cross multiply
505,446.99x = 758,155.90 × 131,469.99 - Step 4: Simplify right side
505,446.99x = 99,674,745,666.19 - Step 5: Solve for x
x = 99,674,745,666.19/505,446.99 - Step 6: Final answer
x = 197,201.19
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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.