Finding the Fourth Proportional to 436,481.75, 654,750.30 and 136,974.14
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Solution
The fourth proportional to 436,481.75, 654,750.30 and 136,974.14 is: 205,469.89
Step by Step Solution
- Step 1: Write the proportion equation
436,481.75 : 654,750.30 = 136,974.14 : x - Step 2: Convert to fraction form
436,481.75/654,750.30 = 136,974.14/x - Step 3: Cross multiply
436,481.75x = 654,750.30 × 136,974.14 - Step 4: Simplify right side
436,481.75x = 89,683,859,257.24 - Step 5: Solve for x
x = 89,683,859,257.24/436,481.75 - Step 6: Final answer
x = 205,469.89
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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.