Finding the Fourth Proportional to 144,571.53, 199,529.67 and 83,305.80
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Solution
The fourth proportional to 144,571.53, 199,529.67 and 83,305.80 is: 114,974.08
Step by Step Solution
- Step 1: Write the proportion equation
144,571.53 : 199,529.67 = 83,305.80 : x - Step 2: Convert to fraction form
144,571.53/199,529.67 = 83,305.80/x - Step 3: Cross multiply
144,571.53x = 199,529.67 × 83,305.80 - Step 4: Simplify right side
144,571.53x = 16,621,978,783.09 - Step 5: Solve for x
x = 16,621,978,783.09/144,571.53 - Step 6: Final answer
x = 114,974.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.