Finding the Fourth Proportional to 178,794.75, 268,187.97 and 90,024.42
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Solution
The fourth proportional to 178,794.75, 268,187.97 and 90,024.42 is: 135,034.54
Step by Step Solution
- Step 1: Write the proportion equation
178,794.75 : 268,187.97 = 90,024.42 : x - Step 2: Convert to fraction form
178,794.75/268,187.97 = 90,024.42/x - Step 3: Cross multiply
178,794.75x = 268,187.97 × 90,024.42 - Step 4: Simplify right side
178,794.75x = 24,143,466,450.23 - Step 5: Solve for x
x = 24,143,466,450.23/178,794.75 - Step 6: Final answer
x = 135,034.54
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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.