Finding the Fourth Proportional to 313,147.05, 432,164.30 and 177,180.99
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Solution
The fourth proportional to 313,147.05, 432,164.30 and 177,180.99 is: 244,521.86
Step by Step Solution
- Step 1: Write the proportion equation
313,147.05 : 432,164.30 = 177,180.99 : x - Step 2: Convert to fraction form
313,147.05/432,164.30 = 177,180.99/x - Step 3: Cross multiply
313,147.05x = 432,164.30 × 177,180.99 - Step 4: Simplify right side
313,147.05x = 76,571,297,630.75 - Step 5: Solve for x
x = 76,571,297,630.75/313,147.05 - Step 6: Final answer
x = 244,521.86
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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.