Finding the Fourth Proportional to 144,419.13, 216,735.17 and 68,517.99
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Solution
The fourth proportional to 144,419.13, 216,735.17 and 68,517.99 is: 102,827.50
Step by Step Solution
- Step 1: Write the proportion equation
144,419.13 : 216,735.17 = 68,517.99 : x - Step 2: Convert to fraction form
144,419.13/216,735.17 = 68,517.99/x - Step 3: Cross multiply
144,419.13x = 216,735.17 × 68,517.99 - Step 4: Simplify right side
144,419.13x = 14,850,257,868.12 - Step 5: Solve for x
x = 14,850,257,868.12/144,419.13 - Step 6: Final answer
x = 102,827.50
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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.