Finding the Fourth Proportional to 246,067.58, 339,560.70 and 138,643.96
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Solution
The fourth proportional to 246,067.58, 339,560.70 and 138,643.96 is: 191,321.59
Step by Step Solution
- Step 1: Write the proportion equation
246,067.58 : 339,560.70 = 138,643.96 : x - Step 2: Convert to fraction form
246,067.58/339,560.70 = 138,643.96/x - Step 3: Cross multiply
246,067.58x = 339,560.70 × 138,643.96 - Step 4: Simplify right side
246,067.58x = 47,078,040,108.37 - Step 5: Solve for x
x = 47,078,040,108.37/246,067.58 - Step 6: Final answer
x = 191,321.59
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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.