Finding the Fourth Proportional to 181,378.22, 250,296.99 and 100,803.65
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Solution
The fourth proportional to 181,378.22, 250,296.99 and 100,803.65 is: 139,106.28
Step by Step Solution
- Step 1: Write the proportion equation
181,378.22 : 250,296.99 = 100,803.65 : x - Step 2: Convert to fraction form
181,378.22/250,296.99 = 100,803.65/x - Step 3: Cross multiply
181,378.22x = 250,296.99 × 100,803.65 - Step 4: Simplify right side
181,378.22x = 25,230,850,176.01 - Step 5: Solve for x
x = 25,230,850,176.01/181,378.22 - Step 6: Final answer
x = 139,106.28
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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.