Finding the Fourth Proportional to 226,427.10, 339,629.85 and 76,652.70
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Solution
The fourth proportional to 226,427.10, 339,629.85 and 76,652.70 is: 114,975.39
Step by Step Solution
- Step 1: Write the proportion equation
226,427.10 : 339,629.85 = 76,652.70 : x - Step 2: Convert to fraction form
226,427.10/339,629.85 = 76,652.70/x - Step 3: Cross multiply
226,427.10x = 339,629.85 × 76,652.70 - Step 4: Simplify right side
226,427.10x = 26,033,545,003.10 - Step 5: Solve for x
x = 26,033,545,003.10/226,427.10 - Step 6: Final answer
x = 114,975.39
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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.