Finding the Fourth Proportional to 226,201.40, 339,302.10 and 206,847.80
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Solution
The fourth proportional to 226,201.40, 339,302.10 and 206,847.80 is: 310,271.70
Step by Step Solution
- Step 1: Write the proportion equation
226,201.40 : 339,302.10 = 206,847.80 : x - Step 2: Convert to fraction form
226,201.40/339,302.10 = 206,847.80/x - Step 3: Cross multiply
226,201.40x = 339,302.10 × 206,847.80 - Step 4: Simplify right side
226,201.40x = 70,183,892,920.38 - Step 5: Solve for x
x = 70,183,892,920.38/226,201.40 - Step 6: Final answer
x = 310,271.70
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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.