Finding the Fourth Proportional to 178,413.40, 246,213.87 and 97,836.12
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Solution
The fourth proportional to 178,413.40, 246,213.87 and 97,836.12 is: 135,015.70
Step by Step Solution
- Step 1: Write the proportion equation
178,413.40 : 246,213.87 = 97,836.12 : x - Step 2: Convert to fraction form
178,413.40/246,213.87 = 97,836.12/x - Step 3: Cross multiply
178,413.40x = 246,213.87 × 97,836.12 - Step 4: Simplify right side
178,413.40x = 24,088,609,730.98 - Step 5: Solve for x
x = 24,088,609,730.98/178,413.40 - Step 6: Final answer
x = 135,015.70
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1.5x scale
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.