Finding the Fourth Proportional to 326,313.36, 450,313.68 and 190,441.16
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Solution
The fourth proportional to 326,313.36, 450,313.68 and 190,441.16 is: 262,809.53
Step by Step Solution
- Step 1: Write the proportion equation
326,313.36 : 450,313.68 = 190,441.16 : x - Step 2: Convert to fraction form
326,313.36/450,313.68 = 190,441.16/x - Step 3: Cross multiply
326,313.36x = 450,313.68 × 190,441.16 - Step 4: Simplify right side
326,313.36x = 85,758,259,583.07 - Step 5: Solve for x
x = 85,758,259,583.07/326,313.36 - Step 6: Final answer
x = 262,809.53
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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.