Finding the Fourth Proportional to 145,919.58, 201,372.08 and 82,257.37
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Solution
The fourth proportional to 145,919.58, 201,372.08 and 82,257.37 is: 113,516.90
Step by Step Solution
- Step 1: Write the proportion equation
145,919.58 : 201,372.08 = 82,257.37 : x - Step 2: Convert to fraction form
145,919.58/201,372.08 = 82,257.37/x - Step 3: Cross multiply
145,919.58x = 201,372.08 × 82,257.37 - Step 4: Simplify right side
145,919.58x = 16,564,337,692.23 - Step 5: Solve for x
x = 16,564,337,692.23/145,919.58 - Step 6: Final answer
x = 113,516.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.