Finding the Fourth Proportional to 194,192.92, 291,402.60 and 81,866.26
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Solution
The fourth proportional to 194,192.92, 291,402.60 and 81,866.26 is: 122,847.12
Step by Step Solution
- Step 1: Write the proportion equation
194,192.92 : 291,402.60 = 81,866.26 : x - Step 2: Convert to fraction form
194,192.92/291,402.60 = 81,866.26/x - Step 3: Cross multiply
194,192.92x = 291,402.60 × 81,866.26 - Step 4: Simplify right side
194,192.92x = 23,856,041,016.28 - Step 5: Solve for x
x = 23,856,041,016.28/194,192.92 - Step 6: Final answer
x = 122,847.12
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1.5x scale
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.