Finding the Fourth Proportional to 344,742.75, 475,745.20 and 193,839.75
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Solution
The fourth proportional to 344,742.75, 475,745.20 and 193,839.75 is: 267,498.97
Step by Step Solution
- Step 1: Write the proportion equation
344,742.75 : 475,745.20 = 193,839.75 : x - Step 2: Convert to fraction form
344,742.75/475,745.20 = 193,839.75/x - Step 3: Cross multiply
344,742.75x = 475,745.20 × 193,839.75 - Step 4: Simplify right side
344,742.75x = 92,218,330,147.10 - Step 5: Solve for x
x = 92,218,330,147.10/344,742.75 - Step 6: Final answer
x = 267,498.97
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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.