Finding the Fourth Proportional to 354,409.97, 531,542.46 and 101,622.74
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Solution
The fourth proportional to 354,409.97, 531,542.46 and 101,622.74 is: 152,413.32
Step by Step Solution
- Step 1: Write the proportion equation
354,409.97 : 531,542.46 = 101,622.74 : x - Step 2: Convert to fraction form
354,409.97/531,542.46 = 101,622.74/x - Step 3: Cross multiply
354,409.97x = 531,542.46 × 101,622.74 - Step 4: Simplify right side
354,409.97x = 54,016,801,211.54 - Step 5: Solve for x
x = 54,016,801,211.54/354,409.97 - Step 6: Final answer
x = 152,413.32
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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.