Finding the Fourth Proportional to 100,212.39, 150,318.99 and 47,593.17
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Solution
The fourth proportional to 100,212.39, 150,318.99 and 47,593.17 is: 71,389.95
Step by Step Solution
- Step 1: Write the proportion equation
100,212.39 : 150,318.99 = 47,593.17 : x - Step 2: Convert to fraction form
100,212.39/150,318.99 = 47,593.17/x - Step 3: Cross multiply
100,212.39x = 150,318.99 × 47,593.17 - Step 4: Simplify right side
100,212.39x = 7,154,157,245.30 - Step 5: Solve for x
x = 7,154,157,245.30/100,212.39 - Step 6: Final answer
x = 71,389.95
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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.