Finding the Fourth Proportional to 329,786.08, 455,105.58 and 178,883.08
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Solution
The fourth proportional to 329,786.08, 455,105.58 and 178,883.08 is: 246,859.08
Step by Step Solution
- Step 1: Write the proportion equation
329,786.08 : 455,105.58 = 178,883.08 : x - Step 2: Convert to fraction form
329,786.08/455,105.58 = 178,883.08/x - Step 3: Cross multiply
329,786.08x = 455,105.58 × 178,883.08 - Step 4: Simplify right side
329,786.08x = 81,410,687,875.59 - Step 5: Solve for x
x = 81,410,687,875.59/329,786.08 - Step 6: Final answer
x = 246,859.08
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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.