Finding the Fourth Proportional to 192,832.84, 289,138.52 and 102,764.66
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Solution
The fourth proportional to 192,832.84, 289,138.52 and 102,764.66 is: 154,087.97
Step by Step Solution
- Step 1: Write the proportion equation
192,832.84 : 289,138.52 = 102,764.66 : x - Step 2: Convert to fraction form
192,832.84/289,138.52 = 102,764.66/x - Step 3: Cross multiply
192,832.84x = 289,138.52 × 102,764.66 - Step 4: Simplify right side
192,832.84x = 29,713,221,700.70 - Step 5: Solve for x
x = 29,713,221,700.70/192,832.84 - Step 6: Final answer
x = 154,087.97
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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.