Finding the Fourth Proportional to 313,850.98, 470,511.18 and 136,224.46
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Solution
The fourth proportional to 313,850.98, 470,511.18 and 136,224.46 is: 204,221.54
Step by Step Solution
- Step 1: Write the proportion equation
313,850.98 : 470,511.18 = 136,224.46 : x - Step 2: Convert to fraction form
313,850.98/470,511.18 = 136,224.46/x - Step 3: Cross multiply
313,850.98x = 470,511.18 × 136,224.46 - Step 4: Simplify right side
313,850.98x = 64,095,131,419.46 - Step 5: Solve for x
x = 64,095,131,419.46/313,850.98 - Step 6: Final answer
x = 204,221.54
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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.