Finding the Fourth Proportional to 226,086.29, 339,125.99 and 76,431.71
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Solution
The fourth proportional to 226,086.29, 339,125.99 and 76,431.71 is: 114,646.39
Step by Step Solution
- Step 1: Write the proportion equation
226,086.29 : 339,125.99 = 76,431.71 : x - Step 2: Convert to fraction form
226,086.29/339,125.99 = 76,431.71/x - Step 3: Cross multiply
226,086.29x = 339,125.99 × 76,431.71 - Step 4: Simplify right side
226,086.29x = 25,919,977,243.35 - Step 5: Solve for x
x = 25,919,977,243.35/226,086.29 - Step 6: Final answer
x = 114,646.39
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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.