Finding the Fourth Proportional to 178,297.74, 267,446.21 and 45,177.62
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Solution
The fourth proportional to 178,297.74, 267,446.21 and 45,177.62 is: 67,766.32
Step by Step Solution
- Step 1: Write the proportion equation
178,297.74 : 267,446.21 = 45,177.62 : x - Step 2: Convert to fraction form
178,297.74/267,446.21 = 45,177.62/x - Step 3: Cross multiply
178,297.74x = 267,446.21 × 45,177.62 - Step 4: Simplify right side
178,297.74x = 12,082,581,682.70 - Step 5: Solve for x
x = 12,082,581,682.70/178,297.74 - Step 6: Final answer
x = 67,766.32
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1.5x scale
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.