Finding the Fourth Proportional to 451,235.05, 622,721.67 and 257,674.31
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Solution
The fourth proportional to 451,235.05, 622,721.67 and 257,674.31 is: 355,600.43
Step by Step Solution
- Step 1: Write the proportion equation
451,235.05 : 622,721.67 = 257,674.31 : x - Step 2: Convert to fraction form
451,235.05/622,721.67 = 257,674.31/x - Step 3: Cross multiply
451,235.05x = 622,721.67 × 257,674.31 - Step 4: Simplify right side
451,235.05x = 160,459,379,846.84 - Step 5: Solve for x
x = 160,459,379,846.84/451,235.05 - Step 6: Final answer
x = 355,600.43
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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.