Finding the Fourth Proportional to 217,799.62, 300,563.50 and 122,306.38
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Solution
The fourth proportional to 217,799.62, 300,563.50 and 122,306.38 is: 168,782.82
Step by Step Solution
- Step 1: Write the proportion equation
217,799.62 : 300,563.50 = 122,306.38 : x - Step 2: Convert to fraction form
217,799.62/300,563.50 = 122,306.38/x - Step 3: Cross multiply
217,799.62x = 300,563.50 × 122,306.38 - Step 4: Simplify right side
217,799.62x = 36,760,833,645.13 - Step 5: Solve for x
x = 36,760,833,645.13/217,799.62 - Step 6: Final answer
x = 168,782.82
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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.