Finding the Fourth Proportional to 246,201.23, 339,760.31 and 138,771.26
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Solution
The fourth proportional to 246,201.23, 339,760.31 and 138,771.26 is: 191,505.81
Step by Step Solution
- Step 1: Write the proportion equation
246,201.23 : 339,760.31 = 138,771.26 : x - Step 2: Convert to fraction form
246,201.23/339,760.31 = 138,771.26/x - Step 3: Cross multiply
246,201.23x = 339,760.31 × 138,771.26 - Step 4: Simplify right side
246,201.23x = 47,148,966,316.69 - Step 5: Solve for x
x = 47,148,966,316.69/246,201.23 - Step 6: Final answer
x = 191,505.81
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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.