Finding the Fourth Proportional to 246,217.78, 339,722.66 and 149,419.44
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Solution
The fourth proportional to 246,217.78, 339,722.66 and 149,419.44 is: 206,163.70
Step by Step Solution
- Step 1: Write the proportion equation
246,217.78 : 339,722.66 = 149,419.44 : x - Step 2: Convert to fraction form
246,217.78/339,722.66 = 149,419.44/x - Step 3: Cross multiply
246,217.78x = 339,722.66 × 149,419.44 - Step 4: Simplify right side
246,217.78x = 50,761,169,612.51 - Step 5: Solve for x
x = 50,761,169,612.51/246,217.78 - Step 6: Final answer
x = 206,163.70
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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.