Finding the Fourth Proportional to 194,486.26, 291,562.99 and 74,629.22
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Solution
The fourth proportional to 194,486.26, 291,562.99 and 74,629.22 is: 111,879.98
Step by Step Solution
- Step 1: Write the proportion equation
194,486.26 : 291,562.99 = 74,629.22 : x - Step 2: Convert to fraction form
194,486.26/291,562.99 = 74,629.22/x - Step 3: Cross multiply
194,486.26x = 291,562.99 × 74,629.22 - Step 4: Simplify right side
194,486.26x = 21,759,118,524.57 - Step 5: Solve for x
x = 21,759,118,524.57/194,486.26 - Step 6: Final answer
x = 111,879.98
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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.