Finding the Fourth Proportional to 214,976.13, 322,464.19 and 74,734.75
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Solution
The fourth proportional to 214,976.13, 322,464.19 and 74,734.75 is: 112,102.12
Step by Step Solution
- Step 1: Write the proportion equation
214,976.13 : 322,464.19 = 74,734.75 : x - Step 2: Convert to fraction form
214,976.13/322,464.19 = 74,734.75/x - Step 3: Cross multiply
214,976.13x = 322,464.19 × 74,734.75 - Step 4: Simplify right side
214,976.13x = 24,099,280,623.60 - Step 5: Solve for x
x = 24,099,280,623.60/214,976.13 - Step 6: Final answer
x = 112,102.12
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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.