Finding the Fourth Proportional to 226,175.29, 339,272.35 and 76,430.79
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Solution
The fourth proportional to 226,175.29, 339,272.35 and 76,430.79 is: 114,649.37
Step by Step Solution
- Step 1: Write the proportion equation
226,175.29 : 339,272.35 = 76,430.79 : x - Step 2: Convert to fraction form
226,175.29/339,272.35 = 76,430.79/x - Step 3: Cross multiply
226,175.29x = 339,272.35 × 76,430.79 - Step 4: Simplify right side
226,175.29x = 25,930,853,544.58 - Step 5: Solve for x
x = 25,930,853,544.58/226,175.29 - Step 6: Final answer
x = 114,649.37
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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.