Finding the Fourth Proportional to 208,396.08, 312,556.74 and 58,600.44
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Solution
The fourth proportional to 208,396.08, 312,556.74 and 58,600.44 is: 87,890.15
Step by Step Solution
- Step 1: Write the proportion equation
208,396.08 : 312,556.74 = 58,600.44 : x - Step 2: Convert to fraction form
208,396.08/312,556.74 = 58,600.44/x - Step 3: Cross multiply
208,396.08x = 312,556.74 × 58,600.44 - Step 4: Simplify right side
208,396.08x = 18,315,962,488.97 - Step 5: Solve for x
x = 18,315,962,488.97/208,396.08 - Step 6: Final answer
x = 87,890.15
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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.