Finding the Fourth Proportional to 207,301.26, 286,149.60 and 122,418.66
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Solution
The fourth proportional to 207,301.26, 286,149.60 and 122,418.66 is: 168,981.37
Step by Step Solution
- Step 1: Write the proportion equation
207,301.26 : 286,149.60 = 122,418.66 : x - Step 2: Convert to fraction form
207,301.26/286,149.60 = 122,418.66/x - Step 3: Cross multiply
207,301.26x = 286,149.60 × 122,418.66 - Step 4: Simplify right side
207,301.26x = 35,030,050,591.54 - Step 5: Solve for x
x = 35,030,050,591.54/207,301.26 - Step 6: Final answer
x = 168,981.37
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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.