Finding the Fourth Proportional to 246,297.49, 339,891.02 and 138,867.28
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Solution
The fourth proportional to 246,297.49, 339,891.02 and 138,867.28 is: 191,637.12
Step by Step Solution
- Step 1: Write the proportion equation
246,297.49 : 339,891.02 = 138,867.28 : x - Step 2: Convert to fraction form
246,297.49/339,891.02 = 138,867.28/x - Step 3: Cross multiply
246,297.49x = 339,891.02 × 138,867.28 - Step 4: Simplify right side
246,297.49x = 47,199,741,443.83 - Step 5: Solve for x
x = 47,199,741,443.83/246,297.49 - Step 6: Final answer
x = 191,637.12
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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.