Finding the Fourth Proportional to 221,433.94, 332,203.64 and 71,674.26
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Solution
The fourth proportional to 221,433.94, 332,203.64 and 71,674.26 is: 107,528.46
Step by Step Solution
- Step 1: Write the proportion equation
221,433.94 : 332,203.64 = 71,674.26 : x - Step 2: Convert to fraction form
221,433.94/332,203.64 = 71,674.26/x - Step 3: Cross multiply
221,433.94x = 332,203.64 × 71,674.26 - Step 4: Simplify right side
221,433.94x = 23,810,450,066.31 - Step 5: Solve for x
x = 23,810,450,066.31/221,433.94 - Step 6: Final answer
x = 107,528.46
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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.