Finding the Fourth Proportional to 206,786.26, 310,296.51 and 88,447.06
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Solution
The fourth proportional to 206,786.26, 310,296.51 and 88,447.06 is: 132,720.68
Step by Step Solution
- Step 1: Write the proportion equation
206,786.26 : 310,296.51 = 88,447.06 : x - Step 2: Convert to fraction form
206,786.26/310,296.51 = 88,447.06/x - Step 3: Cross multiply
206,786.26x = 310,296.51 × 88,447.06 - Step 4: Simplify right side
206,786.26x = 27,444,814,037.76 - Step 5: Solve for x
x = 27,444,814,037.76/206,786.26 - Step 6: Final answer
x = 132,720.68
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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.