Finding the Fourth Proportional to 263,276.40, 395,006.76 and 76,299.12
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Solution
The fourth proportional to 263,276.40, 395,006.76 and 76,299.12 is: 114,475.39
Step by Step Solution
- Step 1: Write the proportion equation
263,276.40 : 395,006.76 = 76,299.12 : x - Step 2: Convert to fraction form
263,276.40/395,006.76 = 76,299.12/x - Step 3: Cross multiply
263,276.40x = 395,006.76 × 76,299.12 - Step 4: Simplify right side
263,276.40x = 30,138,668,182.05 - Step 5: Solve for x
x = 30,138,668,182.05/263,276.40 - Step 6: Final answer
x = 114,475.39
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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.