Finding the Fourth Proportional to 329,260.68, 454,381.92 and 178,357.68
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Solution
The fourth proportional to 329,260.68, 454,381.92 and 178,357.68 is: 246,134.78
Step by Step Solution
- Step 1: Write the proportion equation
329,260.68 : 454,381.92 = 178,357.68 : x - Step 2: Convert to fraction form
329,260.68/454,381.92 = 178,357.68/x - Step 3: Cross multiply
329,260.68x = 454,381.92 × 178,357.68 - Step 4: Simplify right side
329,260.68x = 81,042,505,085.15 - Step 5: Solve for x
x = 81,042,505,085.15/329,260.68 - Step 6: Final answer
x = 246,134.78
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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.