Finding the Fourth Proportional to 125,324.91, 187,943.64 and 50,425.65
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Solution
The fourth proportional to 125,324.91, 187,943.64 and 50,425.65 is: 75,620.88
Step by Step Solution
- Step 1: Write the proportion equation
125,324.91 : 187,943.64 = 50,425.65 : x - Step 2: Convert to fraction form
125,324.91/187,943.64 = 50,425.65/x - Step 3: Cross multiply
125,324.91x = 187,943.64 × 50,425.65 - Step 4: Simplify right side
125,324.91x = 9,477,180,210.37 - Step 5: Solve for x
x = 9,477,180,210.37/125,324.91 - Step 6: Final answer
x = 75,620.88
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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.