Finding the Fourth Proportional to 330,238.26, 455,728.41 and 179,334.18
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Solution
The fourth proportional to 330,238.26, 455,728.41 and 179,334.18 is: 247,480.96
Step by Step Solution
- Step 1: Write the proportion equation
330,238.26 : 455,728.41 = 179,334.18 : x - Step 2: Convert to fraction form
330,238.26/455,728.41 = 179,334.18/x - Step 3: Cross multiply
330,238.26x = 455,728.41 × 179,334.18 - Step 4: Simplify right side
330,238.26x = 81,727,680,710.05 - Step 5: Solve for x
x = 81,727,680,710.05/330,238.26 - Step 6: Final answer
x = 247,480.96
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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.