Finding the Fourth Proportional to 248,378.08, 372,342.17 and 172,512.44
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Solution
The fourth proportional to 248,378.08, 372,342.17 and 172,512.44 is: 258,612.42
Step by Step Solution
- Step 1: Write the proportion equation
248,378.08 : 372,342.17 = 172,512.44 : x - Step 2: Convert to fraction form
248,378.08/372,342.17 = 172,512.44/x - Step 3: Cross multiply
248,378.08x = 372,342.17 × 172,512.44 - Step 4: Simplify right side
248,378.08x = 64,233,656,304.28 - Step 5: Solve for x
x = 64,233,656,304.28/248,378.08 - Step 6: Final answer
x = 258,612.42
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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.