Finding the Fourth Proportional to 226,345.80, 339,553.92 and 68,536.68
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Solution
The fourth proportional to 226,345.80, 339,553.92 and 68,536.68 is: 102,815.68
Step by Step Solution
- Step 1: Write the proportion equation
226,345.80 : 339,553.92 = 68,536.68 : x - Step 2: Convert to fraction form
226,345.80/339,553.92 = 68,536.68/x - Step 3: Cross multiply
226,345.80x = 339,553.92 × 68,536.68 - Step 4: Simplify right side
226,345.80x = 23,271,898,357.79 - Step 5: Solve for x
x = 23,271,898,357.79/226,345.80 - Step 6: Final answer
x = 102,815.68
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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.