Finding the Fourth Proportional to 412,327.70, 618,491.55 and 202,375.70
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Solution
The fourth proportional to 412,327.70, 618,491.55 and 202,375.70 is: 303,563.55
Step by Step Solution
- Step 1: Write the proportion equation
412,327.70 : 618,491.55 = 202,375.70 : x - Step 2: Convert to fraction form
412,327.70/618,491.55 = 202,375.70/x - Step 3: Cross multiply
412,327.70x = 618,491.55 × 202,375.70 - Step 4: Simplify right side
412,327.70x = 125,167,660,375.34 - Step 5: Solve for x
x = 125,167,660,375.34/412,327.70 - Step 6: Final answer
x = 303,563.55
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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.