Finding the Fourth Proportional to 189,122.28, 283,683.48 and 110,236.20
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Solution
The fourth proportional to 189,122.28, 283,683.48 and 110,236.20 is: 165,354.33
Step by Step Solution
- Step 1: Write the proportion equation
189,122.28 : 283,683.48 = 110,236.20 : x - Step 2: Convert to fraction form
189,122.28/283,683.48 = 110,236.20/x - Step 3: Cross multiply
189,122.28x = 283,683.48 × 110,236.20 - Step 4: Simplify right side
189,122.28x = 31,272,188,837.98 - Step 5: Solve for x
x = 31,272,188,837.98/189,122.28 - Step 6: Final answer
x = 165,354.33
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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.