Finding the Fourth Proportional to 751,272.09, 1,126,920.51 and 211,541.39
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Solution
The fourth proportional to 751,272.09, 1,126,920.51 and 211,541.39 is: 317,315.56
Step by Step Solution
- Step 1: Write the proportion equation
751,272.09 : 1,126,920.51 = 211,541.39 : x - Step 2: Convert to fraction form
751,272.09/1,126,920.51 = 211,541.39/x - Step 3: Cross multiply
751,272.09x = 1,126,920.51 × 211,541.39 - Step 4: Simplify right side
751,272.09x = 238,390,325,470.31 - Step 5: Solve for x
x = 238,390,325,470.31/751,272.09 - Step 6: Final answer
x = 317,315.56
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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.