Finding the Fourth Proportional to 207,212.11, 285,952.29 and 116,568.14
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Solution
The fourth proportional to 207,212.11, 285,952.29 and 116,568.14 is: 160,863.80
Step by Step Solution
- Step 1: Write the proportion equation
207,212.11 : 285,952.29 = 116,568.14 : x - Step 2: Convert to fraction form
207,212.11/285,952.29 = 116,568.14/x - Step 3: Cross multiply
207,212.11x = 285,952.29 × 116,568.14 - Step 4: Simplify right side
207,212.11x = 33,332,926,574.04 - Step 5: Solve for x
x = 33,332,926,574.04/207,212.11 - Step 6: Final answer
x = 160,863.80
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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.