Finding the Fourth Proportional to 221,761.44, 306,030.76 and 121,159.44
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Solution
The fourth proportional to 221,761.44, 306,030.76 and 121,159.44 is: 167,200.01
Step by Step Solution
- Step 1: Write the proportion equation
221,761.44 : 306,030.76 = 121,159.44 : x - Step 2: Convert to fraction form
221,761.44/306,030.76 = 121,159.44/x - Step 3: Cross multiply
221,761.44x = 306,030.76 × 121,159.44 - Step 4: Simplify right side
221,761.44x = 37,078,515,504.37 - Step 5: Solve for x
x = 37,078,515,504.37/221,761.44 - Step 6: Final answer
x = 167,200.01
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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.