Finding the Fourth Proportional to 236,472.46, 326,338.94 and 129,049.42
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Solution
The fourth proportional to 236,472.46, 326,338.94 and 129,049.42 is: 178,091.99
Step by Step Solution
- Step 1: Write the proportion equation
236,472.46 : 326,338.94 = 129,049.42 : x - Step 2: Convert to fraction form
236,472.46/326,338.94 = 129,049.42/x - Step 3: Cross multiply
236,472.46x = 326,338.94 × 129,049.42 - Step 4: Simplify right side
236,472.46x = 42,113,850,930.41 - Step 5: Solve for x
x = 42,113,850,930.41/236,472.46 - Step 6: Final answer
x = 178,091.99
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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.