Finding the Fourth Proportional to 269,121.44, 403,729.68 and 111,261.44
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Solution
The fourth proportional to 269,121.44, 403,729.68 and 111,261.44 is: 166,911.81
Step by Step Solution
- Step 1: Write the proportion equation
269,121.44 : 403,729.68 = 111,261.44 : x - Step 2: Convert to fraction form
269,121.44/403,729.68 = 111,261.44/x - Step 3: Cross multiply
269,121.44x = 403,729.68 × 111,261.44 - Step 4: Simplify right side
269,121.44x = 44,919,545,567.54 - Step 5: Solve for x
x = 44,919,545,567.54/269,121.44 - Step 6: Final answer
x = 166,911.81
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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.