Finding the Fourth Proportional to 203,358.40, 305,037.60 and 163,992.40
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Solution
The fourth proportional to 203,358.40, 305,037.60 and 163,992.40 is: 245,988.60
Step by Step Solution
- Step 1: Write the proportion equation
203,358.40 : 305,037.60 = 163,992.40 : x - Step 2: Convert to fraction form
203,358.40/305,037.60 = 163,992.40/x - Step 3: Cross multiply
203,358.40x = 305,037.60 × 163,992.40 - Step 4: Simplify right side
203,358.40x = 50,023,848,114.24 - Step 5: Solve for x
x = 50,023,848,114.24/203,358.40 - Step 6: Final answer
x = 245,988.60
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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.