Finding the Fourth Proportional to 178,311.92, 246,054.12 and 102,845.84
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Solution
The fourth proportional to 178,311.92, 246,054.12 and 102,845.84 is: 141,917.84
Step by Step Solution
- Step 1: Write the proportion equation
178,311.92 : 246,054.12 = 102,845.84 : x - Step 2: Convert to fraction form
178,311.92/246,054.12 = 102,845.84/x - Step 3: Cross multiply
178,311.92x = 246,054.12 × 102,845.84 - Step 4: Simplify right side
178,311.92x = 25,305,642,656.86 - Step 5: Solve for x
x = 25,305,642,656.86/178,311.92 - Step 6: Final answer
x = 141,917.84
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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.