Finding the Fourth Proportional to 178,984.11, 268,246.53 and 151,231.08
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Solution
The fourth proportional to 178,984.11, 268,246.53 and 151,231.08 is: 226,652.59
Step by Step Solution
- Step 1: Write the proportion equation
178,984.11 : 268,246.53 = 151,231.08 : x - Step 2: Convert to fraction form
178,984.11/268,246.53 = 151,231.08/x - Step 3: Cross multiply
178,984.11x = 268,246.53 × 151,231.08 - Step 4: Simplify right side
178,984.11x = 40,567,212,438.15 - Step 5: Solve for x
x = 40,567,212,438.15/178,984.11 - Step 6: Final answer
x = 226,652.59
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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.