Finding the Fourth Proportional to 562,163.85, 843,193.94 and 188,190.09
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Solution
The fourth proportional to 562,163.85, 843,193.94 and 188,190.09 is: 282,267.78
Step by Step Solution
- Step 1: Write the proportion equation
562,163.85 : 843,193.94 = 188,190.09 : x - Step 2: Convert to fraction form
562,163.85/843,193.94 = 188,190.09/x - Step 3: Cross multiply
562,163.85x = 843,193.94 × 188,190.09 - Step 4: Simplify right side
562,163.85x = 158,680,742,515.10 - Step 5: Solve for x
x = 158,680,742,515.10/562,163.85 - Step 6: Final answer
x = 282,267.78
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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.