Finding the Fourth Proportional to 343,738.99, 474,352.67 and 190,768.30
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Solution
The fourth proportional to 343,738.99, 474,352.67 and 190,768.30 is: 263,256.29
Step by Step Solution
- Step 1: Write the proportion equation
343,738.99 : 474,352.67 = 190,768.30 : x - Step 2: Convert to fraction form
343,738.99/474,352.67 = 190,768.30/x - Step 3: Cross multiply
343,738.99x = 474,352.67 × 190,768.30 - Step 4: Simplify right side
343,738.99x = 90,491,451,747.40 - Step 5: Solve for x
x = 90,491,451,747.40/343,738.99 - Step 6: Final answer
x = 263,256.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.