Finding the Fourth Proportional to 262,708.67, 394,118.35 and 85,201.84
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Solution
The fourth proportional to 262,708.67, 394,118.35 and 85,201.84 is: 127,820.71
Step by Step Solution
- Step 1: Write the proportion equation
262,708.67 : 394,118.35 = 85,201.84 : x - Step 2: Convert to fraction form
262,708.67/394,118.35 = 85,201.84/x - Step 3: Cross multiply
262,708.67x = 394,118.35 × 85,201.84 - Step 4: Simplify right side
262,708.67x = 33,579,608,597.76 - Step 5: Solve for x
x = 33,579,608,597.76/262,708.67 - Step 6: Final answer
x = 127,820.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.