Finding the Fourth Proportional to 276,954.92, 382,198.06 and 149,630.62
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Solution
The fourth proportional to 276,954.92, 382,198.06 and 149,630.62 is: 206,490.39
Step by Step Solution
- Step 1: Write the proportion equation
276,954.92 : 382,198.06 = 149,630.62 : x - Step 2: Convert to fraction form
276,954.92/382,198.06 = 149,630.62/x - Step 3: Cross multiply
276,954.92x = 382,198.06 × 149,630.62 - Step 4: Simplify right side
276,954.92x = 57,188,530,769.61 - Step 5: Solve for x
x = 57,188,530,769.61/276,954.92 - Step 6: Final answer
x = 206,490.39
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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.