Finding the Fourth Proportional to 178,471.84, 246,249.84 and 106,824.64
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Solution
The fourth proportional to 178,471.84, 246,249.84 and 106,824.64 is: 147,393.28
Step by Step Solution
- Step 1: Write the proportion equation
178,471.84 : 246,249.84 = 106,824.64 : x - Step 2: Convert to fraction form
178,471.84/246,249.84 = 106,824.64/x - Step 3: Cross multiply
178,471.84x = 246,249.84 × 106,824.64 - Step 4: Simplify right side
178,471.84x = 26,305,550,508.06 - Step 5: Solve for x
x = 26,305,550,508.06/178,471.84 - Step 6: Final answer
x = 147,393.28
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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.