Finding the Fourth Proportional to 201,865.41, 302,708.12 and 107,074.02
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Solution
The fourth proportional to 201,865.41, 302,708.12 and 107,074.02 is: 160,563.29
Step by Step Solution
- Step 1: Write the proportion equation
201,865.41 : 302,708.12 = 107,074.02 : x - Step 2: Convert to fraction form
201,865.41/302,708.12 = 107,074.02/x - Step 3: Cross multiply
201,865.41x = 302,708.12 × 107,074.02 - Step 4: Simplify right side
201,865.41x = 32,412,174,759.67 - Step 5: Solve for x
x = 32,412,174,759.67/201,865.41 - Step 6: Final answer
x = 160,563.29
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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.