Finding the Fourth Proportional to 306,211.24, 422,585.92 and 170,247.44
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Solution
The fourth proportional to 306,211.24, 422,585.92 and 170,247.44 is: 234,949.48
Step by Step Solution
- Step 1: Write the proportion equation
306,211.24 : 422,585.92 = 170,247.44 : x - Step 2: Convert to fraction form
306,211.24/422,585.92 = 170,247.44/x - Step 3: Cross multiply
306,211.24x = 422,585.92 × 170,247.44 - Step 4: Simplify right side
306,211.24x = 71,944,171,060.04 - Step 5: Solve for x
x = 71,944,171,060.04/306,211.24 - Step 6: Final answer
x = 234,949.48
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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.