Finding the Fourth Proportional to 221,033.14, 305,026.41 and 125,540.62
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Solution
The fourth proportional to 221,033.14, 305,026.41 and 125,540.62 is: 173,246.44
Step by Step Solution
- Step 1: Write the proportion equation
221,033.14 : 305,026.41 = 125,540.62 : x - Step 2: Convert to fraction form
221,033.14/305,026.41 = 125,540.62/x - Step 3: Cross multiply
221,033.14x = 305,026.41 × 125,540.62 - Step 4: Simplify right side
221,033.14x = 38,293,204,627.77 - Step 5: Solve for x
x = 38,293,204,627.77/221,033.14 - Step 6: Final answer
x = 173,246.44
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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.