Finding the Fourth Proportional to 489,910.24, 734,676.43 and 190,351.38
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Solution
The fourth proportional to 489,910.24, 734,676.43 and 190,351.38 is: 285,453.66
Step by Step Solution
- Step 1: Write the proportion equation
489,910.24 : 734,676.43 = 190,351.38 : x - Step 2: Convert to fraction form
489,910.24/734,676.43 = 190,351.38/x - Step 3: Cross multiply
489,910.24x = 734,676.43 × 190,351.38 - Step 4: Simplify right side
489,910.24x = 139,846,672,303.97 - Step 5: Solve for x
x = 139,846,672,303.97/489,910.24 - Step 6: Final answer
x = 285,453.66
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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.