Finding the Fourth Proportional to 246,198.49, 339,744.07 and 138,790.82
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Solution
The fourth proportional to 246,198.49, 339,744.07 and 138,790.82 is: 191,525.78
Step by Step Solution
- Step 1: Write the proportion equation
246,198.49 : 339,744.07 = 138,790.82 : x - Step 2: Convert to fraction form
246,198.49/339,744.07 = 138,790.82/x - Step 3: Cross multiply
246,198.49x = 339,744.07 × 138,790.82 - Step 4: Simplify right side
246,198.49x = 47,153,357,177.23 - Step 5: Solve for x
x = 47,153,357,177.23/246,198.49 - Step 6: Final answer
x = 191,525.78
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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.