Finding the Fourth Proportional to 202,558.19, 279,546.66 and 111,922.09
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Solution
The fourth proportional to 202,558.19, 279,546.66 and 111,922.09 is: 154,461.52
Step by Step Solution
- Step 1: Write the proportion equation
202,558.19 : 279,546.66 = 111,922.09 : x - Step 2: Convert to fraction form
202,558.19/279,546.66 = 111,922.09/x - Step 3: Cross multiply
202,558.19x = 279,546.66 × 111,922.09 - Step 4: Simplify right side
202,558.19x = 31,287,445,740.85 - Step 5: Solve for x
x = 31,287,445,740.85/202,558.19 - Step 6: Final answer
x = 154,461.52
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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.