Finding the Fourth Proportional to 144,291.49, 199,118.43 and 80,629.81
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Solution
The fourth proportional to 144,291.49, 199,118.43 and 80,629.81 is: 111,266.99
Step by Step Solution
- Step 1: Write the proportion equation
144,291.49 : 199,118.43 = 80,629.81 : x - Step 2: Convert to fraction form
144,291.49/199,118.43 = 80,629.81/x - Step 3: Cross multiply
144,291.49x = 199,118.43 × 80,629.81 - Step 4: Simplify right side
144,291.49x = 16,054,879,779.66 - Step 5: Solve for x
x = 16,054,879,779.66/144,291.49 - Step 6: Final answer
x = 111,266.99
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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.