Finding the Fourth Proportional to 411,736.68, 568,067.09 and 230,419.80
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Solution
The fourth proportional to 411,736.68, 568,067.09 and 230,419.80 is: 317,906.83
Step by Step Solution
- Step 1: Write the proportion equation
411,736.68 : 568,067.09 = 230,419.80 : x - Step 2: Convert to fraction form
411,736.68/568,067.09 = 230,419.80/x - Step 3: Cross multiply
411,736.68x = 568,067.09 × 230,419.80 - Step 4: Simplify right side
411,736.68x = 130,893,902,424.05 - Step 5: Solve for x
x = 130,893,902,424.05/411,736.68 - Step 6: Final answer
x = 317,906.83
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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.