Finding the Fourth Proportional to 451,249.57, 622,741.67 and 257,688.87
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Solution
The fourth proportional to 451,249.57, 622,741.67 and 257,688.87 is: 355,620.50
Step by Step Solution
- Step 1: Write the proportion equation
451,249.57 : 622,741.67 = 257,688.87 : x - Step 2: Convert to fraction form
451,249.57/622,741.67 = 257,688.87/x - Step 3: Cross multiply
451,249.57x = 622,741.67 × 257,688.87 - Step 4: Simplify right side
451,249.57x = 160,473,597,244.21 - Step 5: Solve for x
x = 160,473,597,244.21/451,249.57 - Step 6: Final answer
x = 355,620.50
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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.