Finding the Fourth Proportional to 322,579.05, 445,168.71 and 177,377.28
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Solution
The fourth proportional to 322,579.05, 445,168.71 and 177,377.28 is: 244,785.94
Step by Step Solution
- Step 1: Write the proportion equation
322,579.05 : 445,168.71 = 177,377.28 : x - Step 2: Convert to fraction form
322,579.05/445,168.71 = 177,377.28/x - Step 3: Cross multiply
322,579.05x = 445,168.71 × 177,377.28 - Step 4: Simplify right side
322,579.05x = 78,962,814,920.91 - Step 5: Solve for x
x = 78,962,814,920.91/322,579.05 - Step 6: Final answer
x = 244,785.94
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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.