Finding the Fourth Proportional to 100,528.99, 150,749.19 and 47,236.13
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Solution
The fourth proportional to 100,528.99, 150,749.19 and 47,236.13 is: 70,833.38
Step by Step Solution
- Step 1: Write the proportion equation
100,528.99 : 150,749.19 = 47,236.13 : x - Step 2: Convert to fraction form
100,528.99/150,749.19 = 47,236.13/x - Step 3: Cross multiply
100,528.99x = 150,749.19 × 47,236.13 - Step 4: Simplify right side
100,528.99x = 7,120,808,336.23 - Step 5: Solve for x
x = 7,120,808,336.23/100,528.99 - Step 6: Final answer
x = 70,833.38
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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.