Finding the Fourth Proportional to 192,722.44, 289,166.34 and 74,476.82
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Solution
The fourth proportional to 192,722.44, 289,166.34 and 74,476.82 is: 111,747.18
Step by Step Solution
- Step 1: Write the proportion equation
192,722.44 : 289,166.34 = 74,476.82 : x - Step 2: Convert to fraction form
192,722.44/289,166.34 = 74,476.82/x - Step 3: Cross multiply
192,722.44x = 289,166.34 × 74,476.82 - Step 4: Simplify right side
192,722.44x = 21,536,189,454.24 - Step 5: Solve for x
x = 21,536,189,454.24/192,722.44 - Step 6: Final answer
x = 111,747.18
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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.