Finding the Fourth Proportional to 212,266.53, 292,930.24 and 121,620.67
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Solution
The fourth proportional to 212,266.53, 292,930.24 and 121,620.67 is: 167,837.92
Step by Step Solution
- Step 1: Write the proportion equation
212,266.53 : 292,930.24 = 121,620.67 : x - Step 2: Convert to fraction form
212,266.53/292,930.24 = 121,620.67/x - Step 3: Cross multiply
212,266.53x = 292,930.24 × 121,620.67 - Step 4: Simplify right side
212,266.53x = 35,626,372,052.06 - Step 5: Solve for x
x = 35,626,372,052.06/212,266.53 - Step 6: Final answer
x = 167,837.92
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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.