Finding the Fourth Proportional to 271,194.36, 406,745.28 and 71,516.70
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Solution
The fourth proportional to 271,194.36, 406,745.28 and 71,516.70 is: 107,262.85
Step by Step Solution
- Step 1: Write the proportion equation
271,194.36 : 406,745.28 = 71,516.70 : x - Step 2: Convert to fraction form
271,194.36/406,745.28 = 71,516.70/x - Step 3: Cross multiply
271,194.36x = 406,745.28 × 71,516.70 - Step 4: Simplify right side
271,194.36x = 29,089,080,166.18 - Step 5: Solve for x
x = 29,089,080,166.18/271,194.36 - Step 6: Final answer
x = 107,262.85
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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.