Finding the Fourth Proportional to 211,713.24, 292,161.42 and 121,083.96
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Solution
The fourth proportional to 211,713.24, 292,161.42 and 121,083.96 is: 167,094.23
Step by Step Solution
- Step 1: Write the proportion equation
211,713.24 : 292,161.42 = 121,083.96 : x - Step 2: Convert to fraction form
211,713.24/292,161.42 = 121,083.96/x - Step 3: Cross multiply
211,713.24x = 292,161.42 × 121,083.96 - Step 4: Simplify right side
211,713.24x = 35,376,061,692.82 - Step 5: Solve for x
x = 35,376,061,692.82/211,713.24 - Step 6: Final answer
x = 167,094.23
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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.