Finding the Fourth Proportional to 313,847.74, 433,112.70 and 170,608.06
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Solution
The fourth proportional to 313,847.74, 433,112.70 and 170,608.06 is: 235,440.66
Step by Step Solution
- Step 1: Write the proportion equation
313,847.74 : 433,112.70 = 170,608.06 : x - Step 2: Convert to fraction form
313,847.74/433,112.70 = 170,608.06/x - Step 3: Cross multiply
313,847.74x = 433,112.70 × 170,608.06 - Step 4: Simplify right side
313,847.74x = 73,892,517,508.36 - Step 5: Solve for x
x = 73,892,517,508.36/313,847.74 - Step 6: Final answer
x = 235,440.66
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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.