Finding the Fourth Proportional to 209,224.65, 288,726.60 and 113,733.75
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Solution
The fourth proportional to 209,224.65, 288,726.60 and 113,733.75 is: 156,950.72
Step by Step Solution
- Step 1: Write the proportion equation
209,224.65 : 288,726.60 = 113,733.75 : x - Step 2: Convert to fraction form
209,224.65/288,726.60 = 113,733.75/x - Step 3: Cross multiply
209,224.65x = 288,726.60 × 113,733.75 - Step 4: Simplify right side
209,224.65x = 32,837,958,942.75 - Step 5: Solve for x
x = 32,837,958,942.75/209,224.65 - Step 6: Final answer
x = 156,950.72
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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.