Finding the Fourth Proportional to 178,956.50, 246,953.68 and 98,383.44
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Solution
The fourth proportional to 178,956.50, 246,953.68 and 98,383.44 is: 135,765.69
Step by Step Solution
- Step 1: Write the proportion equation
178,956.50 : 246,953.68 = 98,383.44 : x - Step 2: Convert to fraction form
178,956.50/246,953.68 = 98,383.44/x - Step 3: Cross multiply
178,956.50x = 246,953.68 × 98,383.44 - Step 4: Simplify right side
178,956.50x = 24,296,152,067.14 - Step 5: Solve for x
x = 24,296,152,067.14/178,956.50 - Step 6: Final answer
x = 135,765.69
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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.