Finding the Fourth Proportional to 306,095.43, 422,391.24 and 170,120.55
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Solution
The fourth proportional to 306,095.43, 422,391.24 and 170,120.55 is: 234,754.99
Step by Step Solution
- Step 1: Write the proportion equation
306,095.43 : 422,391.24 = 170,120.55 : x - Step 2: Convert to fraction form
306,095.43/422,391.24 = 170,120.55/x - Step 3: Cross multiply
306,095.43x = 422,391.24 × 170,120.55 - Step 4: Simplify right side
306,095.43x = 71,857,430,063.98 - Step 5: Solve for x
x = 71,857,430,063.98/306,095.43 - Step 6: Final answer
x = 234,754.99
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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.