Finding the Fourth Proportional to 255,413.22, 383,119.74 and 118,622.44
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Solution
The fourth proportional to 255,413.22, 383,119.74 and 118,622.44 is: 177,933.62
Step by Step Solution
- Step 1: Write the proportion equation
255,413.22 : 383,119.74 = 118,622.44 : x - Step 2: Convert to fraction form
255,413.22/383,119.74 = 118,622.44/x - Step 3: Cross multiply
255,413.22x = 383,119.74 × 118,622.44 - Step 4: Simplify right side
255,413.22x = 45,446,598,849.87 - Step 5: Solve for x
x = 45,446,598,849.87/255,413.22 - Step 6: Final answer
x = 177,933.62
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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.