Finding the Fourth Proportional to 213,512.10, 294,658.20 and 118,027.68
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Solution
The fourth proportional to 213,512.10, 294,658.20 and 118,027.68 is: 162,884.56
Step by Step Solution
- Step 1: Write the proportion equation
213,512.10 : 294,658.20 = 118,027.68 : x - Step 2: Convert to fraction form
213,512.10/294,658.20 = 118,027.68/x - Step 3: Cross multiply
213,512.10x = 294,658.20 × 118,027.68 - Step 4: Simplify right side
213,512.10x = 34,777,823,738.98 - Step 5: Solve for x
x = 34,777,823,738.98/213,512.10 - Step 6: Final answer
x = 162,884.56
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1.5x scale
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.