Finding the Fourth Proportional to 188,249.74, 282,429.84 and 75,872.26
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Solution
The fourth proportional to 188,249.74, 282,429.84 and 75,872.26 is: 113,830.65
Step by Step Solution
- Step 1: Write the proportion equation
188,249.74 : 282,429.84 = 75,872.26 : x - Step 2: Convert to fraction form
188,249.74/282,429.84 = 75,872.26/x - Step 3: Cross multiply
188,249.74x = 282,429.84 × 75,872.26 - Step 4: Simplify right side
188,249.74x = 21,428,590,252.24 - Step 5: Solve for x
x = 21,428,590,252.24/188,249.74 - Step 6: Final answer
x = 113,830.65
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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.