Finding the Fourth Proportional to 181,326.18, 250,230.36 and 100,751.84
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Solution
The fourth proportional to 181,326.18, 250,230.36 and 100,751.84 is: 139,037.66
Step by Step Solution
- Step 1: Write the proportion equation
181,326.18 : 250,230.36 = 100,751.84 : x - Step 2: Convert to fraction form
181,326.18/250,230.36 = 100,751.84/x - Step 3: Cross multiply
181,326.18x = 250,230.36 × 100,751.84 - Step 4: Simplify right side
181,326.18x = 25,211,167,942.71 - Step 5: Solve for x
x = 25,211,167,942.71/181,326.18 - Step 6: Final answer
x = 139,037.66
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1.5x scale
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.