Finding the Fourth Proportional to 286,716.94, 430,121.92 and 94,533.97
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Solution
The fourth proportional to 286,716.94, 430,121.92 and 94,533.97 is: 141,816.28
Step by Step Solution
- Step 1: Write the proportion equation
286,716.94 : 430,121.92 = 94,533.97 : x - Step 2: Convert to fraction form
286,716.94/430,121.92 = 94,533.97/x - Step 3: Cross multiply
286,716.94x = 430,121.92 × 94,533.97 - Step 4: Simplify right side
286,716.94x = 40,661,130,531.01 - Step 5: Solve for x
x = 40,661,130,531.01/286,716.94 - Step 6: Final answer
x = 141,816.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.