Finding the Fourth Proportional to 491,249.26, 677,919.18 and 273,454.48
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Solution
The fourth proportional to 491,249.26, 677,919.18 and 273,454.48 is: 377,364.51
Step by Step Solution
- Step 1: Write the proportion equation
491,249.26 : 677,919.18 = 273,454.48 : x - Step 2: Convert to fraction form
491,249.26/677,919.18 = 273,454.48/x - Step 3: Cross multiply
491,249.26x = 677,919.18 × 273,454.48 - Step 4: Simplify right side
491,249.26x = 185,380,036,848.93 - Step 5: Solve for x
x = 185,380,036,848.93/491,249.26 - Step 6: Final answer
x = 377,364.51
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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.