Finding the Fourth Proportional to 103,465.08, 155,198.70 and 82,819.80
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Solution
The fourth proportional to 103,465.08, 155,198.70 and 82,819.80 is: 124,230.56
Step by Step Solution
- Step 1: Write the proportion equation
103,465.08 : 155,198.70 = 82,819.80 : x - Step 2: Convert to fraction form
103,465.08/155,198.70 = 82,819.80/x - Step 3: Cross multiply
103,465.08x = 155,198.70 × 82,819.80 - Step 4: Simplify right side
103,465.08x = 12,853,525,294.26 - Step 5: Solve for x
x = 12,853,525,294.26/103,465.08 - Step 6: Final answer
x = 124,230.56
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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.