Finding the Fourth Proportional to 226,519.93, 339,780.98 and 68,749.75
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Solution
The fourth proportional to 226,519.93, 339,780.98 and 68,749.75 is: 103,124.95
Step by Step Solution
- Step 1: Write the proportion equation
226,519.93 : 339,780.98 = 68,749.75 : x - Step 2: Convert to fraction form
226,519.93/339,780.98 = 68,749.75/x - Step 3: Cross multiply
226,519.93x = 339,780.98 × 68,749.75 - Step 4: Simplify right side
226,519.93x = 23,359,857,429.76 - Step 5: Solve for x
x = 23,359,857,429.76/226,519.93 - Step 6: Final answer
x = 103,124.95
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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.