Finding the Fourth Proportional to 751,791.13, 1,127,629.98 and 239,435.57
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Solution
The fourth proportional to 751,791.13, 1,127,629.98 and 239,435.57 is: 359,135.29
Step by Step Solution
- Step 1: Write the proportion equation
751,791.13 : 1,127,629.98 = 239,435.57 : x - Step 2: Convert to fraction form
751,791.13/1,127,629.98 = 239,435.57/x - Step 3: Cross multiply
751,791.13x = 1,127,629.98 × 239,435.57 - Step 4: Simplify right side
751,791.13x = 269,994,727,010.39 - Step 5: Solve for x
x = 269,994,727,010.39/751,791.13 - Step 6: Final answer
x = 359,135.29
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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.