Finding the Fourth Proportional to 100,551.99, 150,847.43 and 38,217.63
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Solution
The fourth proportional to 100,551.99, 150,847.43 and 38,217.63 is: 57,333.84
Step by Step Solution
- Step 1: Write the proportion equation
100,551.99 : 150,847.43 = 38,217.63 : x - Step 2: Convert to fraction form
100,551.99/150,847.43 = 38,217.63/x - Step 3: Cross multiply
100,551.99x = 150,847.43 × 38,217.63 - Step 4: Simplify right side
100,551.99x = 5,765,031,266.19 - Step 5: Solve for x
x = 5,765,031,266.19/100,551.99 - Step 6: Final answer
x = 57,333.84
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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.