Finding the Fourth Proportional to 260,990.85, 391,494.42 and 124,183.99
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Solution
The fourth proportional to 260,990.85, 391,494.42 and 124,183.99 is: 186,279.86
Step by Step Solution
- Step 1: Write the proportion equation
260,990.85 : 391,494.42 = 124,183.99 : x - Step 2: Convert to fraction form
260,990.85/391,494.42 = 124,183.99/x - Step 3: Cross multiply
260,990.85x = 391,494.42 × 124,183.99 - Step 4: Simplify right side
260,990.85x = 48,617,339,138.34 - Step 5: Solve for x
x = 48,617,339,138.34/260,990.85 - Step 6: Final answer
x = 186,279.86
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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.