Finding the Fourth Proportional to 352,413.85, 486,212.74 and 225,163.93
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Solution
The fourth proportional to 352,413.85, 486,212.74 and 225,163.93 is: 310,650.59
Step by Step Solution
- Step 1: Write the proportion equation
352,413.85 : 486,212.74 = 225,163.93 : x - Step 2: Convert to fraction form
352,413.85/486,212.74 = 225,163.93/x - Step 3: Cross multiply
352,413.85x = 486,212.74 × 225,163.93 - Step 4: Simplify right side
352,413.85x = 109,477,571,354.47 - Step 5: Solve for x
x = 109,477,571,354.47/352,413.85 - Step 6: Final answer
x = 310,650.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.