Finding the Fourth Proportional to 274,634.44, 378,930.18 and 167,203.24
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Solution
The fourth proportional to 274,634.44, 378,930.18 and 167,203.24 is: 230,700.69
Step by Step Solution
- Step 1: Write the proportion equation
274,634.44 : 378,930.18 = 167,203.24 : x - Step 2: Convert to fraction form
274,634.44/378,930.18 = 167,203.24/x - Step 3: Cross multiply
274,634.44x = 378,930.18 × 167,203.24 - Step 4: Simplify right side
274,634.44x = 63,358,353,829.78 - Step 5: Solve for x
x = 63,358,353,829.78/274,634.44 - Step 6: Final answer
x = 230,700.69
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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.