Finding the Fourth Proportional to 226,942.80, 313,189.56 and 124,972.68
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Solution
The fourth proportional to 226,942.80, 313,189.56 and 124,972.68 is: 172,466.98
Step by Step Solution
- Step 1: Write the proportion equation
226,942.80 : 313,189.56 = 124,972.68 : x - Step 2: Convert to fraction form
226,942.80/313,189.56 = 124,972.68/x - Step 3: Cross multiply
226,942.80x = 313,189.56 × 124,972.68 - Step 4: Simplify right side
226,942.80x = 39,140,138,661.22 - Step 5: Solve for x
x = 39,140,138,661.22/226,942.80 - Step 6: Final answer
x = 172,466.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.