Finding the Fourth Proportional to 221,046.44, 305,044.08 and 120,444.44
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Solution
The fourth proportional to 221,046.44, 305,044.08 and 120,444.44 is: 166,213.32
Step by Step Solution
- Step 1: Write the proportion equation
221,046.44 : 305,044.08 = 120,444.44 : x - Step 2: Convert to fraction form
221,046.44/305,044.08 = 120,444.44/x - Step 3: Cross multiply
221,046.44x = 305,044.08 × 120,444.44 - Step 4: Simplify right side
221,046.44x = 36,740,861,865.69 - Step 5: Solve for x
x = 36,740,861,865.69/221,046.44 - Step 6: Final answer
x = 166,213.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.