Finding the Fourth Proportional to 275,104.97, 412,622.31 and 106,509.95
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Solution
The fourth proportional to 275,104.97, 412,622.31 and 106,509.95 is: 159,751.32
Step by Step Solution
- Step 1: Write the proportion equation
275,104.97 : 412,622.31 = 106,509.95 : x - Step 2: Convert to fraction form
275,104.97/412,622.31 = 106,509.95/x - Step 3: Cross multiply
275,104.97x = 412,622.31 × 106,509.95 - Step 4: Simplify right side
275,104.97x = 43,948,381,606.98 - Step 5: Solve for x
x = 43,948,381,606.98/275,104.97 - Step 6: Final answer
x = 159,751.32
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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.