Finding the Fourth Proportional to 540,474.87, 810,745.74 and 180,678.09
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Solution
The fourth proportional to 540,474.87, 810,745.74 and 180,678.09 is: 271,028.31
Step by Step Solution
- Step 1: Write the proportion equation
540,474.87 : 810,745.74 = 180,678.09 : x - Step 2: Convert to fraction form
540,474.87/810,745.74 = 180,678.09/x - Step 3: Cross multiply
540,474.87x = 810,745.74 × 180,678.09 - Step 4: Simplify right side
540,474.87x = 146,483,991,778.84 - Step 5: Solve for x
x = 146,483,991,778.84/540,474.87 - Step 6: Final answer
x = 271,028.31
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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.