Finding the Fourth Proportional to 226,511.75, 339,769.67 and 68,740.20
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Solution
The fourth proportional to 226,511.75, 339,769.67 and 68,740.20 is: 103,110.92
Step by Step Solution
- Step 1: Write the proportion equation
226,511.75 : 339,769.67 = 68,740.20 : x - Step 2: Convert to fraction form
226,511.75/339,769.67 = 68,740.20/x - Step 3: Cross multiply
226,511.75x = 339,769.67 × 68,740.20 - Step 4: Simplify right side
226,511.75x = 23,355,834,726.03 - Step 5: Solve for x
x = 23,355,834,726.03/226,511.75 - Step 6: Final answer
x = 103,110.92
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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.