Finding the Fourth Proportional to 278,791.54, 418,231.05 and 166,598.44
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Solution
The fourth proportional to 278,791.54, 418,231.05 and 166,598.44 is: 249,923.79
Step by Step Solution
- Step 1: Write the proportion equation
278,791.54 : 418,231.05 = 166,598.44 : x - Step 2: Convert to fraction form
278,791.54/418,231.05 = 166,598.44/x - Step 3: Cross multiply
278,791.54x = 418,231.05 × 166,598.44 - Step 4: Simplify right side
278,791.54x = 69,676,638,819.24 - Step 5: Solve for x
x = 69,676,638,819.24/278,791.54 - Step 6: Final answer
x = 249,923.79
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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.