Finding the Fourth Proportional to 358,149.87, 537,183.81 and 133,517.70
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Solution
The fourth proportional to 358,149.87, 537,183.81 and 133,517.70 is: 200,261.27
Step by Step Solution
- Step 1: Write the proportion equation
358,149.87 : 537,183.81 = 133,517.70 : x - Step 2: Convert to fraction form
358,149.87/537,183.81 = 133,517.70/x - Step 3: Cross multiply
358,149.87x = 537,183.81 × 133,517.70 - Step 4: Simplify right side
358,149.87x = 71,723,546,788.44 - Step 5: Solve for x
x = 71,723,546,788.44/358,149.87 - Step 6: Final answer
x = 200,261.27
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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.