Finding the Fourth Proportional to 256,894.76, 385,452.84 and 107,164.54
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Solution
The fourth proportional to 256,894.76, 385,452.84 and 107,164.54 is: 160,792.99
Step by Step Solution
- Step 1: Write the proportion equation
256,894.76 : 385,452.84 = 107,164.54 : x - Step 2: Convert to fraction form
256,894.76/385,452.84 = 107,164.54/x - Step 3: Cross multiply
256,894.76x = 385,452.84 × 107,164.54 - Step 4: Simplify right side
256,894.76x = 41,306,876,290.29 - Step 5: Solve for x
x = 41,306,876,290.29/256,894.76 - Step 6: Final answer
x = 160,792.99
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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.