Finding the Fourth Proportional to 269,631.36, 372,147.84 and 178,994.88
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Solution
The fourth proportional to 269,631.36, 372,147.84 and 178,994.88 is: 247,050.48
Step by Step Solution
- Step 1: Write the proportion equation
269,631.36 : 372,147.84 = 178,994.88 : x - Step 2: Convert to fraction form
269,631.36/372,147.84 = 178,994.88/x - Step 3: Cross multiply
269,631.36x = 372,147.84 × 178,994.88 - Step 4: Simplify right side
269,631.36x = 66,612,557,963.06 - Step 5: Solve for x
x = 66,612,557,963.06/269,631.36 - Step 6: Final answer
x = 247,050.48
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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.