Finding the Fourth Proportional to 170,550.40, 255,879.06 and 70,757.68
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Solution
The fourth proportional to 170,550.40, 255,879.06 and 70,757.68 is: 106,158.70
Step by Step Solution
- Step 1: Write the proportion equation
170,550.40 : 255,879.06 = 70,757.68 : x - Step 2: Convert to fraction form
170,550.40/255,879.06 = 70,757.68/x - Step 3: Cross multiply
170,550.40x = 255,879.06 × 70,757.68 - Step 4: Simplify right side
170,550.40x = 18,105,408,646.18 - Step 5: Solve for x
x = 18,105,408,646.18/170,550.40 - Step 6: Final answer
x = 106,158.70
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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.