Finding the Fourth Proportional to 226,239.77, 339,360.26 and 76,439.99
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Solution
The fourth proportional to 226,239.77, 339,360.26 and 76,439.99 is: 114,660.18
Step by Step Solution
- Step 1: Write the proportion equation
226,239.77 : 339,360.26 = 76,439.99 : x - Step 2: Convert to fraction form
226,239.77/339,360.26 = 76,439.99/x - Step 3: Cross multiply
226,239.77x = 339,360.26 × 76,439.99 - Step 4: Simplify right side
226,239.77x = 25,940,692,801.80 - Step 5: Solve for x
x = 25,940,692,801.80/226,239.77 - Step 6: Final answer
x = 114,660.18
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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.