Finding the Fourth Proportional to 202,919.20, 304,450.80 and 202,919.20
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Solution
The fourth proportional to 202,919.20, 304,450.80 and 202,919.20 is: 304,450.80
Step by Step Solution
- Step 1: Write the proportion equation
202,919.20 : 304,450.80 = 202,919.20 : x - Step 2: Convert to fraction form
202,919.20/304,450.80 = 202,919.20/x - Step 3: Cross multiply
202,919.20x = 304,450.80 × 202,919.20 - Step 4: Simplify right side
202,919.20x = 61,778,912,775.36 - Step 5: Solve for x
x = 61,778,912,775.36/202,919.20 - Step 6: Final answer
x = 304,450.80
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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.