Finding the Fourth Proportional to 451,180.14, 622,395.72 and 305,936.79
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Solution
The fourth proportional to 451,180.14, 622,395.72 and 305,936.79 is: 422,034.86
Step by Step Solution
- Step 1: Write the proportion equation
451,180.14 : 622,395.72 = 305,936.79 : x - Step 2: Convert to fraction form
451,180.14/622,395.72 = 305,936.79/x - Step 3: Cross multiply
451,180.14x = 622,395.72 × 305,936.79 - Step 4: Simplify right side
451,180.14x = 190,413,748,686.54 - Step 5: Solve for x
x = 190,413,748,686.54/451,180.14 - Step 6: Final answer
x = 422,034.86
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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.