Finding the Fourth Proportional to 178,929.22, 246,922.82 and 102,449.49
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Solution
The fourth proportional to 178,929.22, 246,922.82 and 102,449.49 is: 141,380.58
Step by Step Solution
- Step 1: Write the proportion equation
178,929.22 : 246,922.82 = 102,449.49 : x - Step 2: Convert to fraction form
178,929.22/246,922.82 = 102,449.49/x - Step 3: Cross multiply
178,929.22x = 246,922.82 × 102,449.49 - Step 4: Simplify right side
178,929.22x = 25,297,116,978.36 - Step 5: Solve for x
x = 25,297,116,978.36/178,929.22 - Step 6: Final answer
x = 141,380.58
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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.