Finding the Fourth Proportional to 178,631.55, 267,697.14 and 134,229.99
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Solution
The fourth proportional to 178,631.55, 267,697.14 and 134,229.99 is: 201,156.99
Step by Step Solution
- Step 1: Write the proportion equation
178,631.55 : 267,697.14 = 134,229.99 : x - Step 2: Convert to fraction form
178,631.55/267,697.14 = 134,229.99/x - Step 3: Cross multiply
178,631.55x = 267,697.14 × 134,229.99 - Step 4: Simplify right side
178,631.55x = 35,932,984,425.23 - Step 5: Solve for x
x = 35,932,984,425.23/178,631.55 - Step 6: Final answer
x = 201,156.99
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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.