Finding the Fourth Proportional to 224,287.36, 309,512.67 and 122,313.62
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Solution
The fourth proportional to 224,287.36, 309,512.67 and 122,313.62 is: 168,790.68
Step by Step Solution
- Step 1: Write the proportion equation
224,287.36 : 309,512.67 = 122,313.62 : x - Step 2: Convert to fraction form
224,287.36/309,512.67 = 122,313.62/x - Step 3: Cross multiply
224,287.36x = 309,512.67 × 122,313.62 - Step 4: Simplify right side
224,287.36x = 37,857,615,103.57 - Step 5: Solve for x
x = 37,857,615,103.57/224,287.36 - Step 6: Final answer
x = 168,790.68
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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.