Finding the Fourth Proportional to 343,814.80, 515,284.80 and 165,938.80
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Solution
The fourth proportional to 343,814.80, 515,284.80 and 165,938.80 is: 248,697.09
Step by Step Solution
- Step 1: Write the proportion equation
343,814.80 : 515,284.80 = 165,938.80 : x - Step 2: Convert to fraction form
343,814.80/515,284.80 = 165,938.80/x - Step 3: Cross multiply
343,814.80x = 515,284.80 × 165,938.80 - Step 4: Simplify right side
343,814.80x = 85,505,741,370.24 - Step 5: Solve for x
x = 85,505,741,370.24/343,814.80 - Step 6: Final answer
x = 248,697.09
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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.