Finding the Fourth Proportional to 207,806.94, 286,767.84 and 117,162.11
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Solution
The fourth proportional to 207,806.94, 286,767.84 and 117,162.11 is: 161,680.48
Step by Step Solution
- Step 1: Write the proportion equation
207,806.94 : 286,767.84 = 117,162.11 : x - Step 2: Convert to fraction form
207,806.94/286,767.84 = 117,162.11/x - Step 3: Cross multiply
207,806.94x = 286,767.84 × 117,162.11 - Step 4: Simplify right side
207,806.94x = 33,598,325,214.54 - Step 5: Solve for x
x = 33,598,325,214.54/207,806.94 - Step 6: Final answer
x = 161,680.48
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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.