Finding the Fourth Proportional to 221,434.17, 332,203.97 and 71,674.44
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Solution
The fourth proportional to 221,434.17, 332,203.97 and 71,674.44 is: 107,528.72
Step by Step Solution
- Step 1: Write the proportion equation
221,434.17 : 332,203.97 = 71,674.44 : x - Step 2: Convert to fraction form
221,434.17/332,203.97 = 71,674.44/x - Step 3: Cross multiply
221,434.17x = 332,203.97 × 71,674.44 - Step 4: Simplify right side
221,434.17x = 23,810,533,515.53 - Step 5: Solve for x
x = 23,810,533,515.53/221,434.17 - Step 6: Final answer
x = 107,528.72
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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.