Finding the Fourth Proportional to 754,480.97, 1,131,721.76 and 185,873.13
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Solution
The fourth proportional to 754,480.97, 1,131,721.76 and 185,873.13 is: 278,809.76
Step by Step Solution
- Step 1: Write the proportion equation
754,480.97 : 1,131,721.76 = 185,873.13 : x - Step 2: Convert to fraction form
754,480.97/1,131,721.76 = 185,873.13/x - Step 3: Cross multiply
754,480.97x = 1,131,721.76 × 185,873.13 - Step 4: Simplify right side
754,480.97x = 210,356,659,232.33 - Step 5: Solve for x
x = 210,356,659,232.33/754,480.97 - Step 6: Final answer
x = 278,809.76
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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.