Finding the Fourth Proportional to 192,825.12, 289,193.94 and 68,166.12
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Solution
The fourth proportional to 192,825.12, 289,193.94 and 68,166.12 is: 102,233.72
Step by Step Solution
- Step 1: Write the proportion equation
192,825.12 : 289,193.94 = 68,166.12 : x - Step 2: Convert to fraction form
192,825.12/289,193.94 = 68,166.12/x - Step 3: Cross multiply
192,825.12x = 289,193.94 × 68,166.12 - Step 4: Simplify right side
192,825.12x = 19,713,228,817.31 - Step 5: Solve for x
x = 19,713,228,817.31/192,825.12 - Step 6: Final answer
x = 102,233.72
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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.