Finding the Fourth Proportional to 683,896.39, 1,025,845.38 and 178,456.99
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Solution
The fourth proportional to 683,896.39, 1,025,845.38 and 178,456.99 is: 267,685.69
Step by Step Solution
- Step 1: Write the proportion equation
683,896.39 : 1,025,845.38 = 178,456.99 : x - Step 2: Convert to fraction form
683,896.39/1,025,845.38 = 178,456.99/x - Step 3: Cross multiply
683,896.39x = 1,025,845.38 × 178,456.99 - Step 4: Simplify right side
683,896.39x = 183,069,278,720.21 - Step 5: Solve for x
x = 183,069,278,720.21/683,896.39 - Step 6: Final answer
x = 267,685.69
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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.