Finding the Fourth Proportional to 197,425.36, 296,169.01 and 85,137.49
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Solution
The fourth proportional to 197,425.36, 296,169.01 and 85,137.49 is: 127,719.59
Step by Step Solution
- Step 1: Write the proportion equation
197,425.36 : 296,169.01 = 85,137.49 : x - Step 2: Convert to fraction form
197,425.36/296,169.01 = 85,137.49/x - Step 3: Cross multiply
197,425.36x = 296,169.01 × 85,137.49 - Step 4: Simplify right side
197,425.36x = 25,215,086,284.55 - Step 5: Solve for x
x = 25,215,086,284.55/197,425.36 - Step 6: Final answer
x = 127,719.59
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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.