Finding the Fourth Proportional to 302,891.92, 417,992.46 and 173,820.12
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Solution
The fourth proportional to 302,891.92, 417,992.46 and 173,820.12 is: 239,872.69
Step by Step Solution
- Step 1: Write the proportion equation
302,891.92 : 417,992.46 = 173,820.12 : x - Step 2: Convert to fraction form
302,891.92/417,992.46 = 173,820.12/x - Step 3: Cross multiply
302,891.92x = 417,992.46 × 173,820.12 - Step 4: Simplify right side
302,891.92x = 72,655,499,556.30 - Step 5: Solve for x
x = 72,655,499,556.30/302,891.92 - Step 6: Final answer
x = 239,872.69
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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.