Finding the Fourth Proportional to 211,672.22, 292,107.26 and 121,029.88
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Solution
The fourth proportional to 211,672.22, 292,107.26 and 121,029.88 is: 167,021.00
Step by Step Solution
- Step 1: Write the proportion equation
211,672.22 : 292,107.26 = 121,029.88 : x - Step 2: Convert to fraction form
211,672.22/292,107.26 = 121,029.88/x - Step 3: Cross multiply
211,672.22x = 292,107.26 × 121,029.88 - Step 4: Simplify right side
211,672.22x = 35,353,706,624.93 - Step 5: Solve for x
x = 35,353,706,624.93/211,672.22 - Step 6: Final answer
x = 167,021.00
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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.