Finding the Fourth Proportional to 193,957.36, 267,662.49 and 107,919.98
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Solution
The fourth proportional to 193,957.36, 267,662.49 and 107,919.98 is: 148,930.32
Step by Step Solution
- Step 1: Write the proportion equation
193,957.36 : 267,662.49 = 107,919.98 : x - Step 2: Convert to fraction form
193,957.36/267,662.49 = 107,919.98/x - Step 3: Cross multiply
193,957.36x = 267,662.49 × 107,919.98 - Step 4: Simplify right side
193,957.36x = 28,886,131,109.24 - Step 5: Solve for x
x = 28,886,131,109.24/193,957.36 - Step 6: Final answer
x = 148,930.32
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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.