Finding the Fourth Proportional to 86,408.67, 129,496.36 and 44,884.83
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Solution
The fourth proportional to 86,408.67, 129,496.36 and 44,884.83 is: 67,266.65
Step by Step Solution
- Step 1: Write the proportion equation
86,408.67 : 129,496.36 = 44,884.83 : x - Step 2: Convert to fraction form
86,408.67/129,496.36 = 44,884.83/x - Step 3: Cross multiply
86,408.67x = 129,496.36 × 44,884.83 - Step 4: Simplify right side
86,408.67x = 5,812,422,104.22 - Step 5: Solve for x
x = 5,812,422,104.22/86,408.67 - Step 6: Final answer
x = 67,266.65
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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.