Finding the Fourth Proportional to 491,067.64, 677,625.42 and 276,203.08
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Solution
The fourth proportional to 491,067.64, 677,625.42 and 276,203.08 is: 381,133.30
Step by Step Solution
- Step 1: Write the proportion equation
491,067.64 : 677,625.42 = 276,203.08 : x - Step 2: Convert to fraction form
491,067.64/677,625.42 = 276,203.08/x - Step 3: Cross multiply
491,067.64x = 677,625.42 × 276,203.08 - Step 4: Simplify right side
491,067.64x = 187,162,228,090.29 - Step 5: Solve for x
x = 187,162,228,090.29/491,067.64 - Step 6: Final answer
x = 381,133.30
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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.