Finding the Fourth Proportional to 226,721.16, 339,786.36 and 141,296.94
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Solution
The fourth proportional to 226,721.16, 339,786.36 and 141,296.94 is: 211,761.32
Step by Step Solution
- Step 1: Write the proportion equation
226,721.16 : 339,786.36 = 141,296.94 : x - Step 2: Convert to fraction form
226,721.16/339,786.36 = 141,296.94/x - Step 3: Cross multiply
226,721.16x = 339,786.36 × 141,296.94 - Step 4: Simplify right side
226,721.16x = 48,010,772,921.74 - Step 5: Solve for x
x = 48,010,772,921.74/226,721.16 - Step 6: Final answer
x = 211,761.32
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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.