Finding the Fourth Proportional to 322,311.62, 444,431.49 and 220,353.68
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Solution
The fourth proportional to 322,311.62, 444,431.49 and 220,353.68 is: 303,842.95
Step by Step Solution
- Step 1: Write the proportion equation
322,311.62 : 444,431.49 = 220,353.68 : x - Step 2: Convert to fraction form
322,311.62/444,431.49 = 220,353.68/x - Step 3: Cross multiply
322,311.62x = 444,431.49 × 220,353.68 - Step 4: Simplify right side
322,311.62x = 97,932,114,329.38 - Step 5: Solve for x
x = 97,932,114,329.38/322,311.62 - Step 6: Final answer
x = 303,842.95
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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.