Finding the Fourth Proportional to 329,754.74, 494,299.80 and 129,997.80
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Solution
The fourth proportional to 329,754.74, 494,299.80 and 129,997.80 is: 194,865.69
Step by Step Solution
- Step 1: Write the proportion equation
329,754.74 : 494,299.80 = 129,997.80 : x - Step 2: Convert to fraction form
329,754.74/494,299.80 = 129,997.80/x - Step 3: Cross multiply
329,754.74x = 494,299.80 × 129,997.80 - Step 4: Simplify right side
329,754.74x = 64,257,886,540.44 - Step 5: Solve for x
x = 64,257,886,540.44/329,754.74 - Step 6: Final answer
x = 194,865.69
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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.