Finding the Fourth Proportional to 246,289.68, 339,872.97 and 138,858.78
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Solution
The fourth proportional to 246,289.68, 339,872.97 and 138,858.78 is: 191,621.29
Step by Step Solution
- Step 1: Write the proportion equation
246,289.68 : 339,872.97 = 138,858.78 : x - Step 2: Convert to fraction form
246,289.68/339,872.97 = 138,858.78/x - Step 3: Cross multiply
246,289.68x = 339,872.97 × 138,858.78 - Step 4: Simplify right side
246,289.68x = 47,194,345,969.18 - Step 5: Solve for x
x = 47,194,345,969.18/246,289.68 - Step 6: Final answer
x = 191,621.29
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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.