Finding the Fourth Proportional to 202,396.80, 303,778.80 and 102,626.40
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Solution
The fourth proportional to 202,396.80, 303,778.80 and 102,626.40 is: 154,032.70
Step by Step Solution
- Step 1: Write the proportion equation
202,396.80 : 303,778.80 = 102,626.40 : x - Step 2: Convert to fraction form
202,396.80/303,778.80 = 102,626.40/x - Step 3: Cross multiply
202,396.80x = 303,778.80 × 102,626.40 - Step 4: Simplify right side
202,396.80x = 31,175,724,640.32 - Step 5: Solve for x
x = 31,175,724,640.32/202,396.80 - Step 6: Final answer
x = 154,032.70
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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.