Finding the Fourth Proportional to 331,272.23, 457,121.34 and 186,094.31
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Solution
The fourth proportional to 331,272.23, 457,121.34 and 186,094.31 is: 256,790.86
Step by Step Solution
- Step 1: Write the proportion equation
331,272.23 : 457,121.34 = 186,094.31 : x - Step 2: Convert to fraction form
331,272.23/457,121.34 = 186,094.31/x - Step 3: Cross multiply
331,272.23x = 457,121.34 × 186,094.31 - Step 4: Simplify right side
331,272.23x = 85,067,678,067.97 - Step 5: Solve for x
x = 85,067,678,067.97/331,272.23 - Step 6: Final answer
x = 256,790.86
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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.