Finding the Fourth Proportional to 393,040.20, 589,675.14 and 126,794.84
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Solution
The fourth proportional to 393,040.20, 589,675.14 and 126,794.84 is: 190,229.31
Step by Step Solution
- Step 1: Write the proportion equation
393,040.20 : 589,675.14 = 126,794.84 : x - Step 2: Convert to fraction form
393,040.20/589,675.14 = 126,794.84/x - Step 3: Cross multiply
393,040.20x = 589,675.14 × 126,794.84 - Step 4: Simplify right side
393,040.20x = 74,767,765,028.28 - Step 5: Solve for x
x = 74,767,765,028.28/393,040.20 - Step 6: Final answer
x = 190,229.31
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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.