Finding the Fourth Proportional to 339,163.44, 467,778.48 and 300,442.68
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Solution
The fourth proportional to 339,163.44, 467,778.48 and 300,442.68 is: 414,374.32
Step by Step Solution
- Step 1: Write the proportion equation
339,163.44 : 467,778.48 = 300,442.68 : x - Step 2: Convert to fraction form
339,163.44/467,778.48 = 300,442.68/x - Step 3: Cross multiply
339,163.44x = 467,778.48 × 300,442.68 - Step 4: Simplify right side
339,163.44x = 140,540,620,177.53 - Step 5: Solve for x
x = 140,540,620,177.53/339,163.44 - Step 6: Final answer
x = 414,374.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.