Finding the Fourth Proportional to 217,097.26, 299,740.43 and 135,549.69
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Solution
The fourth proportional to 217,097.26, 299,740.43 and 135,549.69 is: 187,149.86
Step by Step Solution
- Step 1: Write the proportion equation
217,097.26 : 299,740.43 = 135,549.69 : x - Step 2: Convert to fraction form
217,097.26/299,740.43 = 135,549.69/x - Step 3: Cross multiply
217,097.26x = 299,740.43 × 135,549.69 - Step 4: Simplify right side
217,097.26x = 40,629,722,366.97 - Step 5: Solve for x
x = 40,629,722,366.97/217,097.26 - Step 6: Final answer
x = 187,149.86
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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.