Finding the Fourth Proportional to 670,504.13, 1,005,756.18 and 197,189.49
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Solution
The fourth proportional to 670,504.13, 1,005,756.18 and 197,189.49 is: 295,784.23
Step by Step Solution
- Step 1: Write the proportion equation
670,504.13 : 1,005,756.18 = 197,189.49 : x - Step 2: Convert to fraction form
670,504.13/1,005,756.18 = 197,189.49/x - Step 3: Cross multiply
670,504.13x = 1,005,756.18 × 197,189.49 - Step 4: Simplify right side
670,504.13x = 198,324,548,198.55 - Step 5: Solve for x
x = 198,324,548,198.55/670,504.13 - Step 6: Final answer
x = 295,784.23
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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.