Finding the Fourth Proportional to 446,766.14, 670,198.22 and 193,872.80
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Solution
The fourth proportional to 446,766.14, 670,198.22 and 193,872.80 is: 290,830.46
Step by Step Solution
- Step 1: Write the proportion equation
446,766.14 : 670,198.22 = 193,872.80 : x - Step 2: Convert to fraction form
446,766.14/670,198.22 = 193,872.80/x - Step 3: Cross multiply
446,766.14x = 670,198.22 × 193,872.80 - Step 4: Simplify right side
446,766.14x = 129,933,201,146.06 - Step 5: Solve for x
x = 129,933,201,146.06/446,766.14 - Step 6: Final answer
x = 290,830.46
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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.