Finding the Fourth Proportional to 100,315.23, 150,429.10 and 37,941.99
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Solution
The fourth proportional to 100,315.23, 150,429.10 and 37,941.99 is: 56,896.44
Step by Step Solution
- Step 1: Write the proportion equation
100,315.23 : 150,429.10 = 37,941.99 : x - Step 2: Convert to fraction form
100,315.23/150,429.10 = 37,941.99/x - Step 3: Cross multiply
100,315.23x = 150,429.10 × 37,941.99 - Step 4: Simplify right side
100,315.23x = 5,707,579,137.40 - Step 5: Solve for x
x = 5,707,579,137.40/100,315.23 - Step 6: Final answer
x = 56,896.44
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1.5x scale
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.