Finding the Fourth Proportional to 269,837.62, 372,376.44 and 148,979.14
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Solution
The fourth proportional to 269,837.62, 372,376.44 and 148,979.14 is: 205,591.50
Step by Step Solution
- Step 1: Write the proportion equation
269,837.62 : 372,376.44 = 148,979.14 : x - Step 2: Convert to fraction form
269,837.62/372,376.44 = 148,979.14/x - Step 3: Cross multiply
269,837.62x = 372,376.44 × 148,979.14 - Step 4: Simplify right side
269,837.62x = 55,476,321,787.46 - Step 5: Solve for x
x = 55,476,321,787.46/269,837.62 - Step 6: Final answer
x = 205,591.50
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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.