Finding the Fourth Proportional to 311,998.14, 467,998.57 and 98,767.09
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Solution
The fourth proportional to 311,998.14, 467,998.57 and 98,767.09 is: 148,151.07
Step by Step Solution
- Step 1: Write the proportion equation
311,998.14 : 467,998.57 = 98,767.09 : x - Step 2: Convert to fraction form
311,998.14/467,998.57 = 98,767.09/x - Step 3: Cross multiply
311,998.14x = 467,998.57 × 98,767.09 - Step 4: Simplify right side
311,998.14x = 46,222,857,591.52 - Step 5: Solve for x
x = 46,222,857,591.52/311,998.14 - Step 6: Final answer
x = 148,151.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.