Finding the Fourth Proportional to 313,822.60, 433,174.26 and 200,645.80
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Solution
The fourth proportional to 313,822.60, 433,174.26 and 200,645.80 is: 276,954.55
Step by Step Solution
- Step 1: Write the proportion equation
313,822.60 : 433,174.26 = 200,645.80 : x - Step 2: Convert to fraction form
313,822.60/433,174.26 = 200,645.80/x - Step 3: Cross multiply
313,822.60x = 433,174.26 × 200,645.80 - Step 4: Simplify right side
313,822.60x = 86,914,595,937.11 - Step 5: Solve for x
x = 86,914,595,937.11/313,822.60 - Step 6: Final answer
x = 276,954.55
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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.