Finding the Fourth Proportional to 358,192.26, 494,289.73 and 197,037.09
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Solution
The fourth proportional to 358,192.26, 494,289.73 and 197,037.09 is: 271,902.61
Step by Step Solution
- Step 1: Write the proportion equation
358,192.26 : 494,289.73 = 197,037.09 : x - Step 2: Convert to fraction form
358,192.26/494,289.73 = 197,037.09/x - Step 3: Cross multiply
358,192.26x = 494,289.73 × 197,037.09 - Step 4: Simplify right side
358,192.26x = 97,393,410,016.09 - Step 5: Solve for x
x = 97,393,410,016.09/358,192.26 - Step 6: Final answer
x = 271,902.61
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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.