Finding the Fourth Proportional to 278,231.58, 417,937.48 and 262,034.82
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Solution
The fourth proportional to 278,231.58, 417,937.48 and 262,034.82 is: 393,607.99
Step by Step Solution
- Step 1: Write the proportion equation
278,231.58 : 417,937.48 = 262,034.82 : x - Step 2: Convert to fraction form
278,231.58/417,937.48 = 262,034.82/x - Step 3: Cross multiply
278,231.58x = 417,937.48 × 262,034.82 - Step 4: Simplify right side
278,231.58x = 109,514,172,343.05 - Step 5: Solve for x
x = 109,514,172,343.05/278,231.58 - Step 6: Final answer
x = 393,607.99
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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.