Finding the Fourth Proportional to 330,791.97, 496,351.91 and 131,107.93
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Solution
The fourth proportional to 330,791.97, 496,351.91 and 131,107.93 is: 196,726.88
Step by Step Solution
- Step 1: Write the proportion equation
330,791.97 : 496,351.91 = 131,107.93 : x - Step 2: Convert to fraction form
330,791.97/496,351.91 = 131,107.93/x - Step 3: Cross multiply
330,791.97x = 496,351.91 × 131,107.93 - Step 4: Simplify right side
330,791.97x = 65,075,671,471.65 - Step 5: Solve for x
x = 65,075,671,471.65/330,791.97 - Step 6: Final answer
x = 196,726.88
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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.