Finding the Fourth Proportional to 376,654.26, 519,791.88 and 206,891.94
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Solution
The fourth proportional to 376,654.26, 519,791.88 and 206,891.94 is: 285,515.82
Step by Step Solution
- Step 1: Write the proportion equation
376,654.26 : 519,791.88 = 206,891.94 : x - Step 2: Convert to fraction form
376,654.26/519,791.88 = 206,891.94/x - Step 3: Cross multiply
376,654.26x = 519,791.88 × 206,891.94 - Step 4: Simplify right side
376,654.26x = 107,540,750,449.45 - Step 5: Solve for x
x = 107,540,750,449.45/376,654.26 - Step 6: Final answer
x = 285,515.82
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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.