Finding the Fourth Proportional to 313,752.89, 432,819.59 and 204,920.99
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Solution
The fourth proportional to 313,752.89, 432,819.59 and 204,920.99 is: 282,686.85
Step by Step Solution
- Step 1: Write the proportion equation
313,752.89 : 432,819.59 = 204,920.99 : x - Step 2: Convert to fraction form
313,752.89/432,819.59 = 204,920.99/x - Step 3: Cross multiply
313,752.89x = 432,819.59 × 204,920.99 - Step 4: Simplify right side
313,752.89x = 88,693,815,685.49 - Step 5: Solve for x
x = 88,693,815,685.49/313,752.89 - Step 6: Final answer
x = 282,686.85
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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.