Finding the Fourth Proportional to 862,145.44, 1,293,218.16 and 263,109.68
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Solution
The fourth proportional to 862,145.44, 1,293,218.16 and 263,109.68 is: 394,664.52
Step by Step Solution
- Step 1: Write the proportion equation
862,145.44 : 1,293,218.16 = 263,109.68 : x - Step 2: Convert to fraction form
862,145.44/1,293,218.16 = 263,109.68/x - Step 3: Cross multiply
862,145.44x = 1,293,218.16 × 263,109.68 - Step 4: Simplify right side
862,145.44x = 340,258,216,247.79 - Step 5: Solve for x
x = 340,258,216,247.79/862,145.44 - Step 6: Final answer
x = 394,664.52
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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.