Finding the Fourth Proportional to 217,650.24, 300,357.11 and 122,157.01
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Solution
The fourth proportional to 217,650.24, 300,357.11 and 122,157.01 is: 168,576.55
Step by Step Solution
- Step 1: Write the proportion equation
217,650.24 : 300,357.11 = 122,157.01 : x - Step 2: Convert to fraction form
217,650.24/300,357.11 = 122,157.01/x - Step 3: Cross multiply
217,650.24x = 300,357.11 × 122,157.01 - Step 4: Simplify right side
217,650.24x = 36,690,727,170.68 - Step 5: Solve for x
x = 36,690,727,170.68/217,650.24 - Step 6: Final answer
x = 168,576.55
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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.