Finding the Fourth Proportional to 236,375.07, 326,202.22 and 128,949.09
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Solution
The fourth proportional to 236,375.07, 326,202.22 and 128,949.09 is: 177,952.27
Step by Step Solution
- Step 1: Write the proportion equation
236,375.07 : 326,202.22 = 128,949.09 : x - Step 2: Convert to fraction form
236,375.07/326,202.22 = 128,949.09/x - Step 3: Cross multiply
236,375.07x = 326,202.22 × 128,949.09 - Step 4: Simplify right side
236,375.07x = 42,063,479,424.98 - Step 5: Solve for x
x = 42,063,479,424.98/236,375.07 - Step 6: Final answer
x = 177,952.27
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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.