Finding the Fourth Proportional to 135,810.99, 203,716.53 and 51,571.23
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Solution
The fourth proportional to 135,810.99, 203,716.53 and 51,571.23 is: 77,356.86
Step by Step Solution
- Step 1: Write the proportion equation
135,810.99 : 203,716.53 = 51,571.23 : x - Step 2: Convert to fraction form
135,810.99/203,716.53 = 51,571.23/x - Step 3: Cross multiply
135,810.99x = 203,716.53 × 51,571.23 - Step 4: Simplify right side
135,810.99x = 10,505,912,023.43 - Step 5: Solve for x
x = 10,505,912,023.43/135,810.99 - Step 6: Final answer
x = 77,356.86
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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.