Finding the Fourth Proportional to 125,198.88, 187,806.98 and 50,319.09
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Solution
The fourth proportional to 125,198.88, 187,806.98 and 50,319.09 is: 75,482.11
Step by Step Solution
- Step 1: Write the proportion equation
125,198.88 : 187,806.98 = 50,319.09 : x - Step 2: Convert to fraction form
125,198.88/187,806.98 = 50,319.09/x - Step 3: Cross multiply
125,198.88x = 187,806.98 × 50,319.09 - Step 4: Simplify right side
125,198.88x = 9,450,276,077.65 - Step 5: Solve for x
x = 9,450,276,077.65/125,198.88 - Step 6: Final answer
x = 75,482.11
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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.