Finding the Fourth Proportional to 217,719.24, 300,452.33 and 122,226.12
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Solution
The fourth proportional to 217,719.24, 300,452.33 and 122,226.12 is: 168,671.92
Step by Step Solution
- Step 1: Write the proportion equation
217,719.24 : 300,452.33 = 122,226.12 : x - Step 2: Convert to fraction form
217,719.24/300,452.33 = 122,226.12/x - Step 3: Cross multiply
217,719.24x = 300,452.33 × 122,226.12 - Step 4: Simplify right side
217,719.24x = 36,723,121,929.73 - Step 5: Solve for x
x = 36,723,121,929.73/217,719.24 - Step 6: Final answer
x = 168,671.92
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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.