Finding the Fourth Proportional to 366,413.40, 549,620.10 and 303,427.80
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Solution
The fourth proportional to 366,413.40, 549,620.10 and 303,427.80 is: 455,141.70
Step by Step Solution
- Step 1: Write the proportion equation
366,413.40 : 549,620.10 = 303,427.80 : x - Step 2: Convert to fraction form
366,413.40/549,620.10 = 303,427.80/x - Step 3: Cross multiply
366,413.40x = 549,620.10 × 303,427.80 - Step 4: Simplify right side
366,413.40x = 166,770,017,778.78 - Step 5: Solve for x
x = 166,770,017,778.78/366,413.40 - Step 6: Final answer
x = 455,141.70
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1.5x scale
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.