Finding the Fourth Proportional to 378,067.05, 566,509.97 and 321,675.26
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Solution
The fourth proportional to 378,067.05, 566,509.97 and 321,675.26 is: 482,010.37
Step by Step Solution
- Step 1: Write the proportion equation
378,067.05 : 566,509.97 = 321,675.26 : x - Step 2: Convert to fraction form
378,067.05/566,509.97 = 321,675.26/x - Step 3: Cross multiply
378,067.05x = 566,509.97 × 321,675.26 - Step 4: Simplify right side
378,067.05x = 182,232,239,863.98 - Step 5: Solve for x
x = 182,232,239,863.98/378,067.05 - Step 6: Final answer
x = 482,010.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.