Finding the Fourth Proportional to 221,430.44, 332,198.39 and 71,670.75
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Solution
The fourth proportional to 221,430.44, 332,198.39 and 71,670.75 is: 107,523.19
Step by Step Solution
- Step 1: Write the proportion equation
221,430.44 : 332,198.39 = 71,670.75 : x - Step 2: Convert to fraction form
221,430.44/332,198.39 = 71,670.75/x - Step 3: Cross multiply
221,430.44x = 332,198.39 × 71,670.75 - Step 4: Simplify right side
221,430.44x = 23,808,907,401.74 - Step 5: Solve for x
x = 23,808,907,401.74/221,430.44 - Step 6: Final answer
x = 107,523.19
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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.