Finding the Fourth Proportional to 194,850.18, 268,898.40 and 108,815.76
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Solution
The fourth proportional to 194,850.18, 268,898.40 and 108,815.76 is: 150,168.63
Step by Step Solution
- Step 1: Write the proportion equation
194,850.18 : 268,898.40 = 108,815.76 : x - Step 2: Convert to fraction form
194,850.18/268,898.40 = 108,815.76/x - Step 3: Cross multiply
194,850.18x = 268,898.40 × 108,815.76 - Step 4: Simplify right side
194,850.18x = 29,260,383,758.78 - Step 5: Solve for x
x = 29,260,383,758.78/194,850.18 - Step 6: Final answer
x = 150,168.63
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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.