Finding the Fourth Proportional to 341,471.40, 512,207.10 and 235,183.20
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Solution
The fourth proportional to 341,471.40, 512,207.10 and 235,183.20 is: 352,774.80
Step by Step Solution
- Step 1: Write the proportion equation
341,471.40 : 512,207.10 = 235,183.20 : x - Step 2: Convert to fraction form
341,471.40/512,207.10 = 235,183.20/x - Step 3: Cross multiply
341,471.40x = 512,207.10 × 235,183.20 - Step 4: Simplify right side
341,471.40x = 120,462,504,840.72 - Step 5: Solve for x
x = 120,462,504,840.72/341,471.40 - Step 6: Final answer
x = 352,774.80
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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.