Finding the Fourth Proportional to 263,640.24, 395,511.24 and 86,099.52
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Solution
The fourth proportional to 263,640.24, 395,511.24 and 86,099.52 is: 129,165.90
Step by Step Solution
- Step 1: Write the proportion equation
263,640.24 : 395,511.24 = 86,099.52 : x - Step 2: Convert to fraction form
263,640.24/395,511.24 = 86,099.52/x - Step 3: Cross multiply
263,640.24x = 395,511.24 × 86,099.52 - Step 4: Simplify right side
263,640.24x = 34,053,327,918.60 - Step 5: Solve for x
x = 34,053,327,918.60/263,640.24 - Step 6: Final answer
x = 129,165.90
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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.