Finding the Fourth Proportional to 612,180.93, 918,582.44 and 275,153.70
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Solution
The fourth proportional to 612,180.93, 918,582.44 and 275,153.70 is: 412,870.35
Step by Step Solution
- Step 1: Write the proportion equation
612,180.93 : 918,582.44 = 275,153.70 : x - Step 2: Convert to fraction form
612,180.93/918,582.44 = 275,153.70/x - Step 3: Cross multiply
612,180.93x = 918,582.44 × 275,153.70 - Step 4: Simplify right side
612,180.93x = 252,751,355,745.26 - Step 5: Solve for x
x = 252,751,355,745.26/612,180.93 - Step 6: Final answer
x = 412,870.35
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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.