Finding the Fourth Proportional to 246,203.41, 339,755.97 and 138,771.36
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Solution
The fourth proportional to 246,203.41, 339,755.97 and 138,771.36 is: 191,501.81
Step by Step Solution
- Step 1: Write the proportion equation
246,203.41 : 339,755.97 = 138,771.36 : x - Step 2: Convert to fraction form
246,203.41/339,755.97 = 138,771.36/x - Step 3: Cross multiply
246,203.41x = 339,755.97 × 138,771.36 - Step 4: Simplify right side
246,203.41x = 47,148,398,025.02 - Step 5: Solve for x
x = 47,148,398,025.02/246,203.41 - Step 6: Final answer
x = 191,501.81
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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.