Finding the Fourth Proportional to 212,905.36, 293,799.50 and 122,197.48
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Solution
The fourth proportional to 212,905.36, 293,799.50 and 122,197.48 is: 168,626.84
Step by Step Solution
- Step 1: Write the proportion equation
212,905.36 : 293,799.50 = 122,197.48 : x - Step 2: Convert to fraction form
212,905.36/293,799.50 = 122,197.48/x - Step 3: Cross multiply
212,905.36x = 293,799.50 × 122,197.48 - Step 4: Simplify right side
212,905.36x = 35,901,558,525.26 - Step 5: Solve for x
x = 35,901,558,525.26/212,905.36 - Step 6: Final answer
x = 168,626.84
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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.