Finding the Fourth Proportional to 298,093.68, 411,365.20 and 162,124.68
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Solution
The fourth proportional to 298,093.68, 411,365.20 and 162,124.68 is: 223,729.84
Step by Step Solution
- Step 1: Write the proportion equation
298,093.68 : 411,365.20 = 162,124.68 : x - Step 2: Convert to fraction form
298,093.68/411,365.20 = 162,124.68/x - Step 3: Cross multiply
298,093.68x = 411,365.20 × 162,124.68 - Step 4: Simplify right side
298,093.68x = 66,692,451,413.14 - Step 5: Solve for x
x = 66,692,451,413.14/298,093.68 - Step 6: Final answer
x = 223,729.84
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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.