Finding the Fourth Proportional to 451,232.09, 622,621.36 and 257,551.37
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Solution
The fourth proportional to 451,232.09, 622,621.36 and 257,551.37 is: 355,375.84
Step by Step Solution
- Step 1: Write the proportion equation
451,232.09 : 622,621.36 = 257,551.37 : x - Step 2: Convert to fraction form
451,232.09/622,621.36 = 257,551.37/x - Step 3: Cross multiply
451,232.09x = 622,621.36 × 257,551.37 - Step 4: Simplify right side
451,232.09x = 160,356,984,829.69 - Step 5: Solve for x
x = 160,356,984,829.69/451,232.09 - Step 6: Final answer
x = 355,375.84
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1.5x scale
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.