Finding the Fourth Proportional to 254,512.75, 381,600.63 and 121,413.55
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Solution
The fourth proportional to 254,512.75, 381,600.63 and 121,413.55 is: 182,039.95
Step by Step Solution
- Step 1: Write the proportion equation
254,512.75 : 381,600.63 = 121,413.55 : x - Step 2: Convert to fraction form
254,512.75/381,600.63 = 121,413.55/x - Step 3: Cross multiply
254,512.75x = 381,600.63 × 121,413.55 - Step 4: Simplify right side
254,512.75x = 46,331,487,170.54 - Step 5: Solve for x
x = 46,331,487,170.54/254,512.75 - Step 6: Final answer
x = 182,039.95
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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.