Finding the Fourth Proportional to 246,053.97, 368,949.74 and 127,431.09
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Solution
The fourth proportional to 246,053.97, 368,949.74 and 127,431.09 is: 191,078.68
Step by Step Solution
- Step 1: Write the proportion equation
246,053.97 : 368,949.74 = 127,431.09 : x - Step 2: Convert to fraction form
246,053.97/368,949.74 = 127,431.09/x - Step 3: Cross multiply
246,053.97x = 368,949.74 × 127,431.09 - Step 4: Simplify right side
246,053.97x = 47,015,666,886.26 - Step 5: Solve for x
x = 47,015,666,886.26/246,053.97 - Step 6: Final answer
x = 191,078.68
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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.