Finding the Fourth Proportional to 323,666.24, 446,850.76 and 287,756.84
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Solution
The fourth proportional to 323,666.24, 446,850.76 and 287,756.84 is: 397,274.56
Step by Step Solution
- Step 1: Write the proportion equation
323,666.24 : 446,850.76 = 287,756.84 : x - Step 2: Convert to fraction form
323,666.24/446,850.76 = 287,756.84/x - Step 3: Cross multiply
323,666.24x = 446,850.76 × 287,756.84 - Step 4: Simplify right side
323,666.24x = 128,584,362,649.20 - Step 5: Solve for x
x = 128,584,362,649.20/323,666.24 - Step 6: Final answer
x = 397,274.56
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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.