Finding the Fourth Proportional to 192,829.84, 289,134.01 and 102,761.66
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Solution
The fourth proportional to 192,829.84, 289,134.01 and 102,761.66 is: 154,083.48
Step by Step Solution
- Step 1: Write the proportion equation
192,829.84 : 289,134.01 = 102,761.66 : x - Step 2: Convert to fraction form
192,829.84/289,134.01 = 102,761.66/x - Step 3: Cross multiply
192,829.84x = 289,134.01 × 102,761.66 - Step 4: Simplify right side
192,829.84x = 29,711,891,970.36 - Step 5: Solve for x
x = 29,711,891,970.36/192,829.84 - Step 6: Final answer
x = 154,083.48
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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.