Finding the Fourth Proportional to 197,197.20, 295,779.18 and 84,872.88
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Solution
The fourth proportional to 197,197.20, 295,779.18 and 84,872.88 is: 127,302.17
Step by Step Solution
- Step 1: Write the proportion equation
197,197.20 : 295,779.18 = 84,872.88 : x - Step 2: Convert to fraction form
197,197.20/295,779.18 = 84,872.88/x - Step 3: Cross multiply
197,197.20x = 295,779.18 × 84,872.88 - Step 4: Simplify right side
197,197.20x = 25,103,630,850.64 - Step 5: Solve for x
x = 25,103,630,850.64/197,197.20 - Step 6: Final answer
x = 127,302.17
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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.