Finding the Fourth Proportional to 103,408.98, 155,121.96 and 44,245.26
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Solution
The fourth proportional to 103,408.98, 155,121.96 and 44,245.26 is: 66,371.52
Step by Step Solution
- Step 1: Write the proportion equation
103,408.98 : 155,121.96 = 44,245.26 : x - Step 2: Convert to fraction form
103,408.98/155,121.96 = 44,245.26/x - Step 3: Cross multiply
103,408.98x = 155,121.96 × 44,245.26 - Step 4: Simplify right side
103,408.98x = 6,863,411,451.91 - Step 5: Solve for x
x = 6,863,411,451.91/103,408.98 - Step 6: Final answer
x = 66,371.52
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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.