Finding the Fourth Proportional to 188,752.38, 283,106.97 and 82,114.26
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Solution
The fourth proportional to 188,752.38, 283,106.97 and 82,114.26 is: 123,161.99
Step by Step Solution
- Step 1: Write the proportion equation
188,752.38 : 283,106.97 = 82,114.26 : x - Step 2: Convert to fraction form
188,752.38/283,106.97 = 82,114.26/x - Step 3: Cross multiply
188,752.38x = 283,106.97 × 82,114.26 - Step 4: Simplify right side
188,752.38x = 23,247,119,342.39 - Step 5: Solve for x
x = 23,247,119,342.39/188,752.38 - Step 6: Final answer
x = 123,161.99
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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.