Finding the Fourth Proportional to 100,346.76, 150,500.98 and 50,412.99
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Solution
The fourth proportional to 100,346.76, 150,500.98 and 50,412.99 is: 75,609.87
Step by Step Solution
- Step 1: Write the proportion equation
100,346.76 : 150,500.98 = 50,412.99 : x - Step 2: Convert to fraction form
100,346.76/150,500.98 = 50,412.99/x - Step 3: Cross multiply
100,346.76x = 150,500.98 × 50,412.99 - Step 4: Simplify right side
100,346.76x = 7,587,205,027.13 - Step 5: Solve for x
x = 7,587,205,027.13/100,346.76 - Step 6: Final answer
x = 75,609.87
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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.