Finding the Fourth Proportional to 313,748.63, 434,113.11 and 273,546.12
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Solution
The fourth proportional to 313,748.63, 434,113.11 and 273,546.12 is: 378,487.58
Step by Step Solution
- Step 1: Write the proportion equation
313,748.63 : 434,113.11 = 273,546.12 : x - Step 2: Convert to fraction form
313,748.63/434,113.11 = 273,546.12/x - Step 3: Cross multiply
313,748.63x = 434,113.11 × 273,546.12 - Step 4: Simplify right side
313,748.63x = 118,749,956,881.63 - Step 5: Solve for x
x = 118,749,956,881.63/313,748.63 - Step 6: Final answer
x = 378,487.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.