Finding the Fourth Proportional to 263,791.78, 364,027.87 and 149,067.95
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Solution
The fourth proportional to 263,791.78, 364,027.87 and 149,067.95 is: 205,711.07
Step by Step Solution
- Step 1: Write the proportion equation
263,791.78 : 364,027.87 = 149,067.95 : x - Step 2: Convert to fraction form
263,791.78/364,027.87 = 149,067.95/x - Step 3: Cross multiply
263,791.78x = 364,027.87 × 149,067.95 - Step 4: Simplify right side
263,791.78x = 54,264,888,323.77 - Step 5: Solve for x
x = 54,264,888,323.77/263,791.78 - Step 6: Final answer
x = 205,711.07
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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.