Finding the Fourth Proportional to 178,815.26, 246,835.35 and 107,181.43
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Solution
The fourth proportional to 178,815.26, 246,835.35 and 107,181.43 is: 147,952.50
Step by Step Solution
- Step 1: Write the proportion equation
178,815.26 : 246,835.35 = 107,181.43 : x - Step 2: Convert to fraction form
178,815.26/246,835.35 = 107,181.43/x - Step 3: Cross multiply
178,815.26x = 246,835.35 × 107,181.43 - Step 4: Simplify right side
178,815.26x = 26,456,165,170.46 - Step 5: Solve for x
x = 26,456,165,170.46/178,815.26 - Step 6: Final answer
x = 147,952.50
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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.