Finding the Fourth Proportional to 227,408.10, 340,668.87 and 138,440.94
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Solution
The fourth proportional to 227,408.10, 340,668.87 and 138,440.94 is: 207,391.55
Step by Step Solution
- Step 1: Write the proportion equation
227,408.10 : 340,668.87 = 138,440.94 : x - Step 2: Convert to fraction form
227,408.10/340,668.87 = 138,440.94/x - Step 3: Cross multiply
227,408.10x = 340,668.87 × 138,440.94 - Step 4: Simplify right side
227,408.10x = 47,162,518,591.54 - Step 5: Solve for x
x = 47,162,518,591.54/227,408.10 - Step 6: Final answer
x = 207,391.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.