Finding the Fourth Proportional to 218,092.24, 300,922.75 and 127,430.68
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Solution
The fourth proportional to 218,092.24, 300,922.75 and 127,430.68 is: 175,828.31
Step by Step Solution
- Step 1: Write the proportion equation
218,092.24 : 300,922.75 = 127,430.68 : x - Step 2: Convert to fraction form
218,092.24/300,922.75 = 127,430.68/x - Step 3: Cross multiply
218,092.24x = 300,922.75 × 127,430.68 - Step 4: Simplify right side
218,092.24x = 38,346,790,659.97 - Step 5: Solve for x
x = 38,346,790,659.97/218,092.24 - Step 6: Final answer
x = 175,828.31
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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.