Finding the Fourth Proportional to 381,768.80, 526,852.00 and 218,451.84
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Solution
The fourth proportional to 381,768.80, 526,852.00 and 218,451.84 is: 301,469.86
Step by Step Solution
- Step 1: Write the proportion equation
381,768.80 : 526,852.00 = 218,451.84 : x - Step 2: Convert to fraction form
381,768.80/526,852.00 = 218,451.84/x - Step 3: Cross multiply
381,768.80x = 526,852.00 × 218,451.84 - Step 4: Simplify right side
381,768.80x = 115,091,785,876.26 - Step 5: Solve for x
x = 115,091,785,876.26/381,768.80 - Step 6: Final answer
x = 301,469.86
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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.