Finding the Fourth Proportional to 253,469.43, 349,756.88 and 201,917.82
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Solution
The fourth proportional to 253,469.43, 349,756.88 and 201,917.82 is: 278,621.95
Step by Step Solution
- Step 1: Write the proportion equation
253,469.43 : 349,756.88 = 201,917.82 : x - Step 2: Convert to fraction form
253,469.43/349,756.88 = 201,917.82/x - Step 3: Cross multiply
253,469.43x = 349,756.88 × 201,917.82 - Step 4: Simplify right side
253,469.43x = 70,622,146,739.60 - Step 5: Solve for x
x = 70,622,146,739.60/253,469.43 - Step 6: Final answer
x = 278,621.95
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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.