Finding the Fourth Proportional to 275,445.08, 380,121.78 and 154,593.88
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Solution
The fourth proportional to 275,445.08, 380,121.78 and 154,593.88 is: 213,343.80
Step by Step Solution
- Step 1: Write the proportion equation
275,445.08 : 380,121.78 = 154,593.88 : x - Step 2: Convert to fraction form
275,445.08/380,121.78 = 154,593.88/x - Step 3: Cross multiply
275,445.08x = 380,121.78 × 154,593.88 - Step 4: Simplify right side
275,445.08x = 58,764,500,842.71 - Step 5: Solve for x
x = 58,764,500,842.71/275,445.08 - Step 6: Final answer
x = 213,343.80
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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.