Finding the Fourth Proportional to 262,555.36, 362,321.76 and 149,375.68
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Solution
The fourth proportional to 262,555.36, 362,321.76 and 149,375.68 is: 206,135.80
Step by Step Solution
- Step 1: Write the proportion equation
262,555.36 : 362,321.76 = 149,375.68 : x - Step 2: Convert to fraction form
262,555.36/362,321.76 = 149,375.68/x - Step 3: Cross multiply
262,555.36x = 362,321.76 × 149,375.68 - Step 4: Simplify right side
262,555.36x = 54,122,059,278.80 - Step 5: Solve for x
x = 54,122,059,278.80/262,555.36 - Step 6: Final answer
x = 206,135.80
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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.