Finding the Fourth Proportional to 194,912.31, 292,485.10 and 84,104.31
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Solution
The fourth proportional to 194,912.31, 292,485.10 and 84,104.31 is: 126,206.79
Step by Step Solution
- Step 1: Write the proportion equation
194,912.31 : 292,485.10 = 84,104.31 : x - Step 2: Convert to fraction form
194,912.31/292,485.10 = 84,104.31/x - Step 3: Cross multiply
194,912.31x = 292,485.10 × 84,104.31 - Step 4: Simplify right side
194,912.31x = 24,599,256,579.31 - Step 5: Solve for x
x = 24,599,256,579.31/194,912.31 - Step 6: Final answer
x = 126,206.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.