Finding the Fourth Proportional to 218,820.70, 328,231.05 and 183,828.70
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Solution
The fourth proportional to 218,820.70, 328,231.05 and 183,828.70 is: 275,743.05
Step by Step Solution
- Step 1: Write the proportion equation
218,820.70 : 328,231.05 = 183,828.70 : x - Step 2: Convert to fraction form
218,820.70/328,231.05 = 183,828.70/x - Step 3: Cross multiply
218,820.70x = 328,231.05 × 183,828.70 - Step 4: Simplify right side
218,820.70x = 60,338,287,221.14 - Step 5: Solve for x
x = 60,338,287,221.14/218,820.70 - Step 6: Final answer
x = 275,743.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.