Finding the Fourth Proportional to 170,711.49, 235,676.21 and 102,745.14
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Solution
The fourth proportional to 170,711.49, 235,676.21 and 102,745.14 is: 141,845.08
Step by Step Solution
- Step 1: Write the proportion equation
170,711.49 : 235,676.21 = 102,745.14 : x - Step 2: Convert to fraction form
170,711.49/235,676.21 = 102,745.14/x - Step 3: Cross multiply
170,711.49x = 235,676.21 × 102,745.14 - Step 4: Simplify right side
170,711.49x = 24,214,585,191.12 - Step 5: Solve for x
x = 24,214,585,191.12/170,711.49 - Step 6: Final answer
x = 141,845.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.