Finding the Fourth Proportional to 197,840.76, 296,774.84 and 79,512.20
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Solution
The fourth proportional to 197,840.76, 296,774.84 and 79,512.20 is: 119,273.81
Step by Step Solution
- Step 1: Write the proportion equation
197,840.76 : 296,774.84 = 79,512.20 : x - Step 2: Convert to fraction form
197,840.76/296,774.84 = 79,512.20/x - Step 3: Cross multiply
197,840.76x = 296,774.84 × 79,512.20 - Step 4: Simplify right side
197,840.76x = 23,597,220,433.05 - Step 5: Solve for x
x = 23,597,220,433.05/197,840.76 - Step 6: Final answer
x = 119,273.81
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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.