Finding the Fourth Proportional to 235,078.20, 324,546.36 and 143,232.12
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Solution
The fourth proportional to 235,078.20, 324,546.36 and 143,232.12 is: 197,744.68
Step by Step Solution
- Step 1: Write the proportion equation
235,078.20 : 324,546.36 = 143,232.12 : x - Step 2: Convert to fraction form
235,078.20/324,546.36 = 143,232.12/x - Step 3: Cross multiply
235,078.20x = 324,546.36 × 143,232.12 - Step 4: Simplify right side
235,078.20x = 46,485,463,181.08 - Step 5: Solve for x
x = 46,485,463,181.08/235,078.20 - Step 6: Final answer
x = 197,744.68
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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.