Finding the Fourth Proportional to 449,091.12, 673,582.08 and 280,626.48
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Solution
The fourth proportional to 449,091.12, 673,582.08 and 280,626.48 is: 420,905.60
Step by Step Solution
- Step 1: Write the proportion equation
449,091.12 : 673,582.08 = 280,626.48 : x - Step 2: Convert to fraction form
449,091.12/673,582.08 = 280,626.48/x - Step 3: Cross multiply
449,091.12x = 673,582.08 × 280,626.48 - Step 4: Simplify right side
449,091.12x = 189,024,968,101.48 - Step 5: Solve for x
x = 189,024,968,101.48/449,091.12 - Step 6: Final answer
x = 420,905.60
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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.