Finding the Fourth Proportional to 488,176.76, 673,626.34 and 281,442.84
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Solution
The fourth proportional to 488,176.76, 673,626.34 and 281,442.84 is: 388,357.92
Step by Step Solution
- Step 1: Write the proportion equation
488,176.76 : 673,626.34 = 281,442.84 : x - Step 2: Convert to fraction form
488,176.76/673,626.34 = 281,442.84/x - Step 3: Cross multiply
488,176.76x = 673,626.34 × 281,442.84 - Step 4: Simplify right side
488,176.76x = 189,587,310,228.41 - Step 5: Solve for x
x = 189,587,310,228.41/488,176.76 - Step 6: Final answer
x = 388,357.92
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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.