Finding the Fourth Proportional to 171,676.80, 257,515.20 and 97,027.20
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Solution
The fourth proportional to 171,676.80, 257,515.20 and 97,027.20 is: 145,540.80
Step by Step Solution
- Step 1: Write the proportion equation
171,676.80 : 257,515.20 = 97,027.20 : x - Step 2: Convert to fraction form
171,676.80/257,515.20 = 97,027.20/x - Step 3: Cross multiply
171,676.80x = 257,515.20 × 97,027.20 - Step 4: Simplify right side
171,676.80x = 24,985,978,813.44 - Step 5: Solve for x
x = 24,985,978,813.44/171,676.80 - Step 6: Final answer
x = 145,540.80
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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.