Finding the Fourth Proportional to 269,911.74, 404,626.98 and 136,723.44
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Solution
The fourth proportional to 269,911.74, 404,626.98 and 136,723.44 is: 204,963.27
Step by Step Solution
- Step 1: Write the proportion equation
269,911.74 : 404,626.98 = 136,723.44 : x - Step 2: Convert to fraction form
269,911.74/404,626.98 = 136,723.44/x - Step 3: Cross multiply
269,911.74x = 404,626.98 × 136,723.44 - Step 4: Simplify right side
269,911.74x = 55,321,992,622.41 - Step 5: Solve for x
x = 55,321,992,622.41/269,911.74 - Step 6: Final answer
x = 204,963.27
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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.