Finding the Fourth Proportional to 299,785.73, 413,418.36 and 196,265.44
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Solution
The fourth proportional to 299,785.73, 413,418.36 and 196,265.44 is: 270,659.11
Step by Step Solution
- Step 1: Write the proportion equation
299,785.73 : 413,418.36 = 196,265.44 : x - Step 2: Convert to fraction form
299,785.73/413,418.36 = 196,265.44/x - Step 3: Cross multiply
299,785.73x = 413,418.36 × 196,265.44 - Step 4: Simplify right side
299,785.73x = 81,139,737,582.25 - Step 5: Solve for x
x = 81,139,737,582.25/299,785.73 - Step 6: Final answer
x = 270,659.11
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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.