Finding the Fourth Proportional to 226,149.08, 339,262.74 and 76,390.46
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Solution
The fourth proportional to 226,149.08, 339,262.74 and 76,390.46 is: 114,598.90
Step by Step Solution
- Step 1: Write the proportion equation
226,149.08 : 339,262.74 = 76,390.46 : x - Step 2: Convert to fraction form
226,149.08/339,262.74 = 76,390.46/x - Step 3: Cross multiply
226,149.08x = 339,262.74 × 76,390.46 - Step 4: Simplify right side
226,149.08x = 25,916,436,769.46 - Step 5: Solve for x
x = 25,916,436,769.46/226,149.08 - Step 6: Final answer
x = 114,598.90
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1.5x scale
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.