Finding the Fourth Proportional to 451,305.68, 622,791.24 and 250,097.36
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Solution
The fourth proportional to 451,305.68, 622,791.24 and 250,097.36 is: 345,128.48
Step by Step Solution
- Step 1: Write the proportion equation
451,305.68 : 622,791.24 = 250,097.36 : x - Step 2: Convert to fraction form
451,305.68/622,791.24 = 250,097.36/x - Step 3: Cross multiply
451,305.68x = 622,791.24 × 250,097.36 - Step 4: Simplify right side
451,305.68x = 155,758,444,955.13 - Step 5: Solve for x
x = 155,758,444,955.13/451,305.68 - Step 6: Final answer
x = 345,128.48
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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.