Finding the Fourth Proportional to 227,037.87, 312,984.95 and 158,843.57
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Solution
The fourth proportional to 227,037.87, 312,984.95 and 158,843.57 is: 218,975.12
Step by Step Solution
- Step 1: Write the proportion equation
227,037.87 : 312,984.95 = 158,843.57 : x - Step 2: Convert to fraction form
227,037.87/312,984.95 = 158,843.57/x - Step 3: Cross multiply
227,037.87x = 312,984.95 × 158,843.57 - Step 4: Simplify right side
227,037.87x = 49,715,644,455.13 - Step 5: Solve for x
x = 49,715,644,455.13/227,037.87 - Step 6: Final answer
x = 218,975.12
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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.