Finding the Fourth Proportional to 178,917.96, 246,919.68 and 107,296.68
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Solution
The fourth proportional to 178,917.96, 246,919.68 and 107,296.68 is: 148,077.15
Step by Step Solution
- Step 1: Write the proportion equation
178,917.96 : 246,919.68 = 107,296.68 : x - Step 2: Convert to fraction form
178,917.96/246,919.68 = 107,296.68/x - Step 3: Cross multiply
178,917.96x = 246,919.68 × 107,296.68 - Step 4: Simplify right side
178,917.96x = 26,493,661,890.66 - Step 5: Solve for x
x = 26,493,661,890.66/178,917.96 - Step 6: Final answer
x = 148,077.15
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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.