Finding the Fourth Proportional to 358,266.87, 494,405.53 and 203,247.75
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Solution
The fourth proportional to 358,266.87, 494,405.53 and 203,247.75 is: 280,480.34
Step by Step Solution
- Step 1: Write the proportion equation
358,266.87 : 494,405.53 = 203,247.75 : x - Step 2: Convert to fraction form
358,266.87/494,405.53 = 203,247.75/x - Step 3: Cross multiply
358,266.87x = 494,405.53 × 203,247.75 - Step 4: Simplify right side
358,266.87x = 100,486,811,560.06 - Step 5: Solve for x
x = 100,486,811,560.06/358,266.87 - Step 6: Final answer
x = 280,480.34
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1.5x scale
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.