Finding the Fourth Proportional to 234,536.76, 323,676.92 and 142,691.88
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Solution
The fourth proportional to 234,536.76, 323,676.92 and 142,691.88 is: 196,924.65
Step by Step Solution
- Step 1: Write the proportion equation
234,536.76 : 323,676.92 = 142,691.88 : x - Step 2: Convert to fraction form
234,536.76/323,676.92 = 142,691.88/x - Step 3: Cross multiply
234,536.76x = 323,676.92 × 142,691.88 - Step 4: Simplify right side
234,536.76x = 46,186,068,584.14 - Step 5: Solve for x
x = 46,186,068,584.14/234,536.76 - Step 6: Final answer
x = 196,924.65
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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.