Finding the Fourth Proportional to 212,747.20, 293,602.68 and 122,102.44
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Solution
The fourth proportional to 212,747.20, 293,602.68 and 122,102.44 is: 168,507.99
Step by Step Solution
- Step 1: Write the proportion equation
212,747.20 : 293,602.68 = 122,102.44 : x - Step 2: Convert to fraction form
212,747.20/293,602.68 = 122,102.44/x - Step 3: Cross multiply
212,747.20x = 293,602.68 × 122,102.44 - Step 4: Simplify right side
212,747.20x = 35,849,601,540.01 - Step 5: Solve for x
x = 35,849,601,540.01/212,747.20 - Step 6: Final answer
x = 168,507.99
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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.