Finding the Fourth Proportional to 221,287.44, 305,375.28 and 125,794.14
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Solution
The fourth proportional to 221,287.44, 305,375.28 and 125,794.14 is: 173,595.12
Step by Step Solution
- Step 1: Write the proportion equation
221,287.44 : 305,375.28 = 125,794.14 : x - Step 2: Convert to fraction form
221,287.44/305,375.28 = 125,794.14/x - Step 3: Cross multiply
221,287.44x = 305,375.28 × 125,794.14 - Step 4: Simplify right side
221,287.44x = 38,414,420,724.86 - Step 5: Solve for x
x = 38,414,420,724.86/221,287.44 - Step 6: Final answer
x = 173,595.12
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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.