Finding the Fourth Proportional to 217,096.26, 299,739.05 and 135,548.69
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Solution
The fourth proportional to 217,096.26, 299,739.05 and 135,548.69 is: 187,148.47
Step by Step Solution
- Step 1: Write the proportion equation
217,096.26 : 299,739.05 = 135,548.69 : x - Step 2: Convert to fraction form
217,096.26/299,739.05 = 135,548.69/x - Step 3: Cross multiply
217,096.26x = 299,739.05 × 135,548.69 - Step 4: Simplify right side
217,096.26x = 40,629,233,392.91 - Step 5: Solve for x
x = 40,629,233,392.91/217,096.26 - Step 6: Final answer
x = 187,148.47
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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.