Finding the Fourth Proportional to 275,103.97, 412,620.81 and 106,508.95
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Solution
The fourth proportional to 275,103.97, 412,620.81 and 106,508.95 is: 159,749.82
Step by Step Solution
- Step 1: Write the proportion equation
275,103.97 : 412,620.81 = 106,508.95 : x - Step 2: Convert to fraction form
275,103.97/412,620.81 = 106,508.95/x - Step 3: Cross multiply
275,103.97x = 412,620.81 × 106,508.95 - Step 4: Simplify right side
275,103.97x = 43,947,809,221.25 - Step 5: Solve for x
x = 43,947,809,221.25/275,103.97 - Step 6: Final answer
x = 159,749.82
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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.