Finding the Fourth Proportional to 144,287.67, 199,113.17 and 80,625.99
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Solution
The fourth proportional to 144,287.67, 199,113.17 and 80,625.99 is: 111,261.73
Step by Step Solution
- Step 1: Write the proportion equation
144,287.67 : 199,113.17 = 80,625.99 : x - Step 2: Convert to fraction form
144,287.67/199,113.17 = 80,625.99/x - Step 3: Cross multiply
144,287.67x = 199,113.17 × 80,625.99 - Step 4: Simplify right side
144,287.67x = 16,053,696,050.16 - Step 5: Solve for x
x = 16,053,696,050.16/144,287.67 - Step 6: Final answer
x = 111,261.73
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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.