Finding the Fourth Proportional to 612,820.26, 919,378.04 and 192,096.14
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Solution
The fourth proportional to 612,820.26, 919,378.04 and 192,096.14 is: 288,190.49
Step by Step Solution
- Step 1: Write the proportion equation
612,820.26 : 919,378.04 = 192,096.14 : x - Step 2: Convert to fraction form
612,820.26/919,378.04 = 192,096.14/x - Step 3: Cross multiply
612,820.26x = 919,378.04 × 192,096.14 - Step 4: Simplify right side
612,820.26x = 176,608,972,684.77 - Step 5: Solve for x
x = 176,608,972,684.77/612,820.26 - Step 6: Final answer
x = 288,190.49
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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.