Finding the Fourth Proportional to 221,874.80, 332,617.80 and 133,163.60
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Solution
The fourth proportional to 221,874.80, 332,617.80 and 133,163.60 is: 199,628.73
Step by Step Solution
- Step 1: Write the proportion equation
221,874.80 : 332,617.80 = 133,163.60 : x - Step 2: Convert to fraction form
221,874.80/332,617.80 = 133,163.60/x - Step 3: Cross multiply
221,874.80x = 332,617.80 × 133,163.60 - Step 4: Simplify right side
221,874.80x = 44,292,583,672.08 - Step 5: Solve for x
x = 44,292,583,672.08/221,874.80 - Step 6: Final answer
x = 199,628.73
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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.