Finding the Fourth Proportional to 255,425.97, 382,791.21 and 120,469.02
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Solution
The fourth proportional to 255,425.97, 382,791.21 and 120,469.02 is: 180,539.52
Step by Step Solution
- Step 1: Write the proportion equation
255,425.97 : 382,791.21 = 120,469.02 : x - Step 2: Convert to fraction form
255,425.97/382,791.21 = 120,469.02/x - Step 3: Cross multiply
255,425.97x = 382,791.21 × 120,469.02 - Step 4: Simplify right side
255,425.97x = 46,114,481,933.31 - Step 5: Solve for x
x = 46,114,481,933.31/255,425.97 - Step 6: Final answer
x = 180,539.52
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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.