Finding the Fourth Proportional to 289,375.70, 433,804.35 and 189,583.70
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Solution
The fourth proportional to 289,375.70, 433,804.35 and 189,583.70 is: 284,205.74
Step by Step Solution
- Step 1: Write the proportion equation
289,375.70 : 433,804.35 = 189,583.70 : x - Step 2: Convert to fraction form
289,375.70/433,804.35 = 189,583.70/x - Step 3: Cross multiply
289,375.70x = 433,804.35 × 189,583.70 - Step 4: Simplify right side
289,375.70x = 82,242,233,749.10 - Step 5: Solve for x
x = 82,242,233,749.10/289,375.70 - Step 6: Final answer
x = 284,205.74
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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.