Finding the Fourth Proportional to 130,201.26, 195,320.46 and 40,251.72
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Solution
The fourth proportional to 130,201.26, 195,320.46 and 40,251.72 is: 60,383.32
Step by Step Solution
- Step 1: Write the proportion equation
130,201.26 : 195,320.46 = 40,251.72 : x - Step 2: Convert to fraction form
130,201.26/195,320.46 = 40,251.72/x - Step 3: Cross multiply
130,201.26x = 195,320.46 × 40,251.72 - Step 4: Simplify right side
130,201.26x = 7,861,984,466.19 - Step 5: Solve for x
x = 7,861,984,466.19/130,201.26 - Step 6: Final answer
x = 60,383.32
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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.