Finding the Fourth Proportional to 451,236.05, 622,723.05 and 257,675.31
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Solution
The fourth proportional to 451,236.05, 622,723.05 and 257,675.31 is: 355,601.81
Step by Step Solution
- Step 1: Write the proportion equation
451,236.05 : 622,723.05 = 257,675.31 : x - Step 2: Convert to fraction form
451,236.05/622,723.05 = 257,675.31/x - Step 3: Cross multiply
451,236.05x = 622,723.05 × 257,675.31 - Step 4: Simplify right side
451,236.05x = 160,460,354,952.90 - Step 5: Solve for x
x = 160,460,354,952.90/451,236.05 - Step 6: Final answer
x = 355,601.81
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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.