Finding the Fourth Proportional to 213,208.88, 294,228.17 and 122,582.56
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Solution
The fourth proportional to 213,208.88, 294,228.17 and 122,582.56 is: 169,163.88
Step by Step Solution
- Step 1: Write the proportion equation
213,208.88 : 294,228.17 = 122,582.56 : x - Step 2: Convert to fraction form
213,208.88/294,228.17 = 122,582.56/x - Step 3: Cross multiply
213,208.88x = 294,228.17 × 122,582.56 - Step 4: Simplify right side
213,208.88x = 36,067,240,954.23 - Step 5: Solve for x
x = 36,067,240,954.23/213,208.88 - Step 6: Final answer
x = 169,163.88
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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.