Finding the Fourth Proportional to 330,850.05, 494,034.02 and 262,616.57
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Solution
The fourth proportional to 330,850.05, 494,034.02 and 262,616.57 is: 392,145.99
Step by Step Solution
- Step 1: Write the proportion equation
330,850.05 : 494,034.02 = 262,616.57 : x - Step 2: Convert to fraction form
330,850.05/494,034.02 = 262,616.57/x - Step 3: Cross multiply
330,850.05x = 494,034.02 × 262,616.57 - Step 4: Simplify right side
330,850.05x = 129,741,519,795.71 - Step 5: Solve for x
x = 129,741,519,795.71/330,850.05 - Step 6: Final answer
x = 392,145.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.