Finding the Fourth Proportional to 263,595.36, 395,451.12 and 76,621.44
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Solution
The fourth proportional to 263,595.36, 395,451.12 and 76,621.44 is: 114,949.04
Step by Step Solution
- Step 1: Write the proportion equation
263,595.36 : 395,451.12 = 76,621.44 : x - Step 2: Convert to fraction form
263,595.36/395,451.12 = 76,621.44/x - Step 3: Cross multiply
263,595.36x = 395,451.12 × 76,621.44 - Step 4: Simplify right side
263,595.36x = 30,300,034,264.01 - Step 5: Solve for x
x = 30,300,034,264.01/263,595.36 - Step 6: Final answer
x = 114,949.04
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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.