Finding the Fourth Proportional to 236,175.36, 325,912.68 and 128,743.08
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Solution
The fourth proportional to 236,175.36, 325,912.68 and 128,743.08 is: 177,660.37
Step by Step Solution
- Step 1: Write the proportion equation
236,175.36 : 325,912.68 = 128,743.08 : x - Step 2: Convert to fraction form
236,175.36/325,912.68 = 128,743.08/x - Step 3: Cross multiply
236,175.36x = 325,912.68 × 128,743.08 - Step 4: Simplify right side
236,175.36x = 41,959,002,234.25 - Step 5: Solve for x
x = 41,959,002,234.25/236,175.36 - Step 6: Final answer
x = 177,660.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.