Finding the Fourth Proportional to 193,612.80, 267,251.04 and 122,112
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Solution
The fourth proportional to 193,612.80, 267,251.04 and 122,112 is: 168,555.79
Step by Step Solution
- Step 1: Write the proportion equation
193,612.80 : 267,251.04 = 122,112 : x - Step 2: Convert to fraction form
193,612.80/267,251.04 = 122,112/x - Step 3: Cross multiply
193,612.80x = 267,251.04 × 122,112 - Step 4: Simplify right side
193,612.80x = 32,634,558,996.48 - Step 5: Solve for x
x = 32,634,558,996.48/193,612.80 - Step 6: Final answer
x = 168,555.79
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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.