Finding the Fourth Proportional to 211,756.53, 292,166.94 and 121,093.80
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Solution
The fourth proportional to 211,756.53, 292,166.94 and 121,093.80 is: 167,076.81
Step by Step Solution
- Step 1: Write the proportion equation
211,756.53 : 292,166.94 = 121,093.80 : x - Step 2: Convert to fraction form
211,756.53/292,166.94 = 121,093.80/x - Step 3: Cross multiply
211,756.53x = 292,166.94 × 121,093.80 - Step 4: Simplify right side
211,756.53x = 35,379,604,998.97 - Step 5: Solve for x
x = 35,379,604,998.97/211,756.53 - Step 6: Final answer
x = 167,076.81
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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.