Finding the Fourth Proportional to 100,562.99, 150,863.92 and 38,228.63
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Solution
The fourth proportional to 100,562.99, 150,863.92 and 38,228.63 is: 57,350.33
Step by Step Solution
- Step 1: Write the proportion equation
100,562.99 : 150,863.92 = 38,228.63 : x - Step 2: Convert to fraction form
100,562.99/150,863.92 = 38,228.63/x - Step 3: Cross multiply
100,562.99x = 150,863.92 × 38,228.63 - Step 4: Simplify right side
100,562.99x = 5,767,320,128.14 - Step 5: Solve for x
x = 5,767,320,128.14/100,562.99 - Step 6: Final answer
x = 57,350.33
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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.