Finding the Fourth Proportional to 221,714.46, 305,954.55 and 121,093.02
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Solution
The fourth proportional to 221,714.46, 305,954.55 and 121,093.02 is: 167,102.14
Step by Step Solution
- Step 1: Write the proportion equation
221,714.46 : 305,954.55 = 121,093.02 : x - Step 2: Convert to fraction form
221,714.46/305,954.55 = 121,093.02/x - Step 3: Cross multiply
221,714.46x = 305,954.55 × 121,093.02 - Step 4: Simplify right side
221,714.46x = 37,048,960,442.24 - Step 5: Solve for x
x = 37,048,960,442.24/221,714.46 - Step 6: Final answer
x = 167,102.14
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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.