Finding the Fourth Proportional to 255,778.92, 383,621.94 and 68,746.68
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Solution
The fourth proportional to 255,778.92, 383,621.94 and 68,746.68 is: 103,107.54
Step by Step Solution
- Step 1: Write the proportion equation
255,778.92 : 383,621.94 = 68,746.68 : x - Step 2: Convert to fraction form
255,778.92/383,621.94 = 68,746.68/x - Step 3: Cross multiply
255,778.92x = 383,621.94 × 68,746.68 - Step 4: Simplify right side
255,778.92x = 26,372,734,750.16 - Step 5: Solve for x
x = 26,372,734,750.16/255,778.92 - Step 6: Final answer
x = 103,107.54
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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.