Finding the Fourth Proportional to 178,919.96, 246,922.44 and 107,298.68
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Solution
The fourth proportional to 178,919.96, 246,922.44 and 107,298.68 is: 148,079.91
Step by Step Solution
- Step 1: Write the proportion equation
178,919.96 : 246,922.44 = 107,298.68 : x - Step 2: Convert to fraction form
178,919.96/246,922.44 = 107,298.68/x - Step 3: Cross multiply
178,919.96x = 246,922.44 × 107,298.68 - Step 4: Simplify right side
178,919.96x = 26,494,451,874.38 - Step 5: Solve for x
x = 26,494,451,874.38/178,919.96 - Step 6: Final answer
x = 148,079.91
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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.