Finding the Fourth Proportional to 186,668.44, 257,596.90 and 106,104.76
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Solution
The fourth proportional to 186,668.44, 257,596.90 and 106,104.76 is: 146,421.42
Step by Step Solution
- Step 1: Write the proportion equation
186,668.44 : 257,596.90 = 106,104.76 : x - Step 2: Convert to fraction form
186,668.44/257,596.90 = 106,104.76/x - Step 3: Cross multiply
186,668.44x = 257,596.90 × 106,104.76 - Step 4: Simplify right side
186,668.44x = 27,332,257,251.24 - Step 5: Solve for x
x = 27,332,257,251.24/186,668.44 - Step 6: Final answer
x = 146,421.42
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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.