Finding the Fourth Proportional to 311,850.09, 467,832.83 and 98,671.66
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Solution
The fourth proportional to 311,850.09, 467,832.83 and 98,671.66 is: 148,025.75
Step by Step Solution
- Step 1: Write the proportion equation
311,850.09 : 467,832.83 = 98,671.66 : x - Step 2: Convert to fraction form
311,850.09/467,832.83 = 98,671.66/x - Step 3: Cross multiply
311,850.09x = 467,832.83 × 98,671.66 - Step 4: Simplify right side
311,850.09x = 46,161,841,938.60 - Step 5: Solve for x
x = 46,161,841,938.60/311,850.09 - Step 6: Final answer
x = 148,025.75
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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.