Finding the Fourth Proportional to 394,714.08, 591,062.16 and 217,025.76
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Solution
The fourth proportional to 394,714.08, 591,062.16 and 217,025.76 is: 324,983.88
Step by Step Solution
- Step 1: Write the proportion equation
394,714.08 : 591,062.16 = 217,025.76 : x - Step 2: Convert to fraction form
394,714.08/591,062.16 = 217,025.76/x - Step 3: Cross multiply
394,714.08x = 591,062.16 × 217,025.76 - Step 4: Simplify right side
394,714.08x = 128,275,714,481.24 - Step 5: Solve for x
x = 128,275,714,481.24/394,714.08 - Step 6: Final answer
x = 324,983.88
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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.