Finding the Fourth Proportional to 329,865.05, 494,232.03 and 221,591.49
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Solution
The fourth proportional to 329,865.05, 494,232.03 and 221,591.49 is: 332,007.33
Step by Step Solution
- Step 1: Write the proportion equation
329,865.05 : 494,232.03 = 221,591.49 : x - Step 2: Convert to fraction form
329,865.05/494,232.03 = 221,591.49/x - Step 3: Cross multiply
329,865.05x = 494,232.03 × 221,591.49 - Step 4: Simplify right side
329,865.05x = 109,517,611,933.43 - Step 5: Solve for x
x = 109,517,611,933.43/329,865.05 - Step 6: Final answer
x = 332,007.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.