Finding the Fourth Proportional to 398,194.20, 597,464.10 and 201,202.20
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Solution
The fourth proportional to 398,194.20, 597,464.10 and 201,202.20 is: 301,890.61
Step by Step Solution
- Step 1: Write the proportion equation
398,194.20 : 597,464.10 = 201,202.20 : x - Step 2: Convert to fraction form
398,194.20/597,464.10 = 201,202.20/x - Step 3: Cross multiply
398,194.20x = 597,464.10 × 201,202.20 - Step 4: Simplify right side
398,194.20x = 120,211,091,341.02 - Step 5: Solve for x
x = 120,211,091,341.02/398,194.20 - Step 6: Final answer
x = 301,890.61
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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.