Finding the Fourth Proportional to 213,358.22, 294,442.79 and 122,714.07
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Solution
The fourth proportional to 213,358.22, 294,442.79 and 122,714.07 is: 169,350.28
Step by Step Solution
- Step 1: Write the proportion equation
213,358.22 : 294,442.79 = 122,714.07 : x - Step 2: Convert to fraction form
213,358.22/294,442.79 = 122,714.07/x - Step 3: Cross multiply
213,358.22x = 294,442.79 × 122,714.07 - Step 4: Simplify right side
213,358.22x = 36,132,272,529.49 - Step 5: Solve for x
x = 36,132,272,529.49/213,358.22 - Step 6: Final answer
x = 169,350.28
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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.