Finding the Fourth Proportional to 146,608.34, 202,343.70 and 100,630.19
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Solution
The fourth proportional to 146,608.34, 202,343.70 and 100,630.19 is: 138,886.27
Step by Step Solution
- Step 1: Write the proportion equation
146,608.34 : 202,343.70 = 100,630.19 : x - Step 2: Convert to fraction form
146,608.34/202,343.70 = 100,630.19/x - Step 3: Cross multiply
146,608.34x = 202,343.70 × 100,630.19 - Step 4: Simplify right side
146,608.34x = 20,361,885,609.30 - Step 5: Solve for x
x = 20,361,885,609.30/146,608.34 - Step 6: Final answer
x = 138,886.27
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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.