Finding the Fourth Proportional to 201,372.28, 302,074.82 and 66,461.72
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Solution
The fourth proportional to 201,372.28, 302,074.82 and 66,461.72 is: 99,697.99
Step by Step Solution
- Step 1: Write the proportion equation
201,372.28 : 302,074.82 = 66,461.72 : x - Step 2: Convert to fraction form
201,372.28/302,074.82 = 66,461.72/x - Step 3: Cross multiply
201,372.28x = 302,074.82 × 66,461.72 - Step 4: Simplify right side
201,372.28x = 20,076,410,512.44 - Step 5: Solve for x
x = 20,076,410,512.44/201,372.28 - Step 6: Final answer
x = 99,697.99
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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.