Finding the Fourth Proportional to 144,843.14, 199,883.49 and 88,254.74
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Solution
The fourth proportional to 144,843.14, 199,883.49 and 88,254.74 is: 121,791.51
Step by Step Solution
- Step 1: Write the proportion equation
144,843.14 : 199,883.49 = 88,254.74 : x - Step 2: Convert to fraction form
144,843.14/199,883.49 = 88,254.74/x - Step 3: Cross multiply
144,843.14x = 199,883.49 × 88,254.74 - Step 4: Simplify right side
144,843.14x = 17,640,665,440.24 - Step 5: Solve for x
x = 17,640,665,440.24/144,843.14 - Step 6: Final answer
x = 121,791.51
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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.