Finding the Fourth Proportional to 139,450.25, 209,190.26 and 44,646.55
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Solution
The fourth proportional to 139,450.25, 209,190.26 and 44,646.55 is: 66,974.59
Step by Step Solution
- Step 1: Write the proportion equation
139,450.25 : 209,190.26 = 44,646.55 : x - Step 2: Convert to fraction form
139,450.25/209,190.26 = 44,646.55/x - Step 3: Cross multiply
139,450.25x = 209,190.26 × 44,646.55 - Step 4: Simplify right side
139,450.25x = 9,339,622,991.24 - Step 5: Solve for x
x = 9,339,622,991.24/139,450.25 - Step 6: Final answer
x = 66,974.59
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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.