Finding the Fourth Proportional to 263,626.76, 395,507.58 and 76,638.26
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Solution
The fourth proportional to 263,626.76, 395,507.58 and 76,638.26 is: 114,977.00
Step by Step Solution
- Step 1: Write the proportion equation
263,626.76 : 395,507.58 = 76,638.26 : x - Step 2: Convert to fraction form
263,626.76/395,507.58 = 76,638.26/x - Step 3: Cross multiply
263,626.76x = 395,507.58 × 76,638.26 - Step 4: Simplify right side
263,626.76x = 30,311,012,748.01 - Step 5: Solve for x
x = 30,311,012,748.01/263,626.76 - Step 6: Final answer
x = 114,977.00
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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.