Finding the Fourth Proportional to 179,606.27, 269,409.41 and 79,742.99
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Solution
The fourth proportional to 179,606.27, 269,409.41 and 79,742.99 is: 119,614.49
Step by Step Solution
- Step 1: Write the proportion equation
179,606.27 : 269,409.41 = 79,742.99 : x - Step 2: Convert to fraction form
179,606.27/269,409.41 = 79,742.99/x - Step 3: Cross multiply
179,606.27x = 269,409.41 × 79,742.99 - Step 4: Simplify right side
179,606.27x = 21,483,511,488.82 - Step 5: Solve for x
x = 21,483,511,488.82/179,606.27 - Step 6: Final answer
x = 119,614.49
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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.