Finding the Fourth Proportional to 226,407.87, 339,673.05 and 76,648.17
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Solution
The fourth proportional to 226,407.87, 339,673.05 and 76,648.17 is: 114,992.99
Step by Step Solution
- Step 1: Write the proportion equation
226,407.87 : 339,673.05 = 76,648.17 : x - Step 2: Convert to fraction form
226,407.87/339,673.05 = 76,648.17/x - Step 3: Cross multiply
226,407.87x = 339,673.05 × 76,648.17 - Step 4: Simplify right side
226,407.87x = 26,035,317,680.82 - Step 5: Solve for x
x = 26,035,317,680.82/226,407.87 - Step 6: Final answer
x = 114,992.99
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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.