Finding the Fourth Proportional to 312,183.06, 430,998.24 and 204,940.68
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Solution
The fourth proportional to 312,183.06, 430,998.24 and 204,940.68 is: 282,939.99
Step by Step Solution
- Step 1: Write the proportion equation
312,183.06 : 430,998.24 = 204,940.68 : x - Step 2: Convert to fraction form
312,183.06/430,998.24 = 204,940.68/x - Step 3: Cross multiply
312,183.06x = 430,998.24 × 204,940.68 - Step 4: Simplify right side
312,183.06x = 88,329,072,384.40 - Step 5: Solve for x
x = 88,329,072,384.40/312,183.06 - Step 6: Final answer
x = 282,939.99
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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.