Finding the Fourth Proportional to 221,433.44, 332,068.60 and 79,240.14
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Solution
The fourth proportional to 221,433.44, 332,068.60 and 79,240.14 is: 118,831.02
Step by Step Solution
- Step 1: Write the proportion equation
221,433.44 : 332,068.60 = 79,240.14 : x - Step 2: Convert to fraction form
221,433.44/332,068.60 = 79,240.14/x - Step 3: Cross multiply
221,433.44x = 332,068.60 × 79,240.14 - Step 4: Simplify right side
221,433.44x = 26,313,162,353.60 - Step 5: Solve for x
x = 26,313,162,353.60/221,433.44 - Step 6: Final answer
x = 118,831.02
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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.