Finding the Fourth Proportional to 396,107.56, 546,600.18 and 224,024.68
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Solution
The fourth proportional to 396,107.56, 546,600.18 and 224,024.68 is: 309,138.08
Step by Step Solution
- Step 1: Write the proportion equation
396,107.56 : 546,600.18 = 224,024.68 : x - Step 2: Convert to fraction form
396,107.56/546,600.18 = 224,024.68/x - Step 3: Cross multiply
396,107.56x = 546,600.18 × 224,024.68 - Step 4: Simplify right side
396,107.56x = 122,451,930,412.44 - Step 5: Solve for x
x = 122,451,930,412.44/396,107.56 - Step 6: Final answer
x = 309,138.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.