Finding the Fourth Proportional to 313,749.13, 434,113.80 and 273,546.62
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Solution
The fourth proportional to 313,749.13, 434,113.80 and 273,546.62 is: 378,488.27
Step by Step Solution
- Step 1: Write the proportion equation
313,749.13 : 434,113.80 = 273,546.62 : x - Step 2: Convert to fraction form
313,749.13/434,113.80 = 273,546.62/x - Step 3: Cross multiply
313,749.13x = 434,113.80 × 273,546.62 - Step 4: Simplify right side
313,749.13x = 118,750,362,685.36 - Step 5: Solve for x
x = 118,750,362,685.36/313,749.13 - Step 6: Final answer
x = 378,488.27
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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.