Finding the Fourth Proportional to 701,538.12, 1,052,190.36 and 252,168.12
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Solution
The fourth proportional to 701,538.12, 1,052,190.36 and 252,168.12 is: 378,210.19
Step by Step Solution
- Step 1: Write the proportion equation
701,538.12 : 1,052,190.36 = 252,168.12 : x - Step 2: Convert to fraction form
701,538.12/1,052,190.36 = 252,168.12/x - Step 3: Cross multiply
701,538.12x = 1,052,190.36 × 252,168.12 - Step 4: Simplify right side
701,538.12x = 265,328,864,963.32 - Step 5: Solve for x
x = 265,328,864,963.32/701,538.12 - Step 6: Final answer
x = 378,210.19
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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.