Finding the Fourth Proportional to 644,912.75, 967,506.74 and 218,433.65
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Solution
The fourth proportional to 644,912.75, 967,506.74 and 218,433.65 is: 327,697.08
Step by Step Solution
- Step 1: Write the proportion equation
644,912.75 : 967,506.74 = 218,433.65 : x - Step 2: Convert to fraction form
644,912.75/967,506.74 = 218,433.65/x - Step 3: Cross multiply
644,912.75x = 967,506.74 × 218,433.65 - Step 4: Simplify right side
644,912.75x = 211,336,024,735.92 - Step 5: Solve for x
x = 211,336,024,735.92/644,912.75 - Step 6: Final answer
x = 327,697.08
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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.