Finding the Fourth Proportional to 189,186.41, 283,771.40 and 47,028.68
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Solution
The fourth proportional to 189,186.41, 283,771.40 and 47,028.68 is: 70,540.98
Step by Step Solution
- Step 1: Write the proportion equation
189,186.41 : 283,771.40 = 47,028.68 : x - Step 2: Convert to fraction form
189,186.41/283,771.40 = 47,028.68/x - Step 3: Cross multiply
189,186.41x = 283,771.40 × 47,028.68 - Step 4: Simplify right side
189,186.41x = 13,345,394,363.75 - Step 5: Solve for x
x = 13,345,394,363.75/189,186.41 - Step 6: Final answer
x = 70,540.98
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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.