Finding the Fourth Proportional to 192,533.14, 265,614.37 and 128,891.44
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Solution
The fourth proportional to 192,533.14, 265,614.37 and 128,891.44 is: 177,815.71
Step by Step Solution
- Step 1: Write the proportion equation
192,533.14 : 265,614.37 = 128,891.44 : x - Step 2: Convert to fraction form
192,533.14/265,614.37 = 128,891.44/x - Step 3: Cross multiply
192,533.14x = 265,614.37 × 128,891.44 - Step 4: Simplify right side
192,533.14x = 34,235,416,661.46 - Step 5: Solve for x
x = 34,235,416,661.46/192,533.14 - Step 6: Final answer
x = 177,815.71
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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.