Finding the Fourth Proportional to 226,646.30, 339,954.86 and 68,876.12
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Solution
The fourth proportional to 226,646.30, 339,954.86 and 68,876.12 is: 103,309.75
Step by Step Solution
- Step 1: Write the proportion equation
226,646.30 : 339,954.86 = 68,876.12 : x - Step 2: Convert to fraction form
226,646.30/339,954.86 = 68,876.12/x - Step 3: Cross multiply
226,646.30x = 339,954.86 × 68,876.12 - Step 4: Simplify right side
226,646.30x = 23,414,771,731.94 - Step 5: Solve for x
x = 23,414,771,731.94/226,646.30 - Step 6: Final answer
x = 103,309.75
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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.