Finding the Fourth Proportional to 178,942.23, 268,413.75 and 84,102.84
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Solution
The fourth proportional to 178,942.23, 268,413.75 and 84,102.84 is: 126,154.45
Step by Step Solution
- Step 1: Write the proportion equation
178,942.23 : 268,413.75 = 84,102.84 : x - Step 2: Convert to fraction form
178,942.23/268,413.75 = 84,102.84/x - Step 3: Cross multiply
178,942.23x = 268,413.75 × 84,102.84 - Step 4: Simplify right side
178,942.23x = 22,574,358,670.05 - Step 5: Solve for x
x = 22,574,358,670.05/178,942.23 - Step 6: Final answer
x = 126,154.45
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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.