Finding the Fourth Proportional to 144,268.56, 199,084.21 and 80,604.99
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Solution
The fourth proportional to 144,268.56, 199,084.21 and 80,604.99 is: 111,231.31
Step by Step Solution
- Step 1: Write the proportion equation
144,268.56 : 199,084.21 = 80,604.99 : x - Step 2: Convert to fraction form
144,268.56/199,084.21 = 80,604.99/x - Step 3: Cross multiply
144,268.56x = 199,084.21 × 80,604.99 - Step 4: Simplify right side
144,268.56x = 16,047,180,756.21 - Step 5: Solve for x
x = 16,047,180,756.21/144,268.56 - Step 6: Final answer
x = 111,231.31
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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.