Finding the Fourth Proportional to 329,828.26, 455,163.88 and 178,925.26
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Solution
The fourth proportional to 329,828.26, 455,163.88 and 178,925.26 is: 246,917.34
Step by Step Solution
- Step 1: Write the proportion equation
329,828.26 : 455,163.88 = 178,925.26 : x - Step 2: Convert to fraction form
329,828.26/455,163.88 = 178,925.26/x - Step 3: Cross multiply
329,828.26x = 455,163.88 × 178,925.26 - Step 4: Simplify right side
329,828.26x = 81,440,315,571.61 - Step 5: Solve for x
x = 81,440,315,571.61/329,828.26 - Step 6: Final answer
x = 246,917.34
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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.