Finding the Fourth Proportional to 246,348.73, 339,959.86 and 138,919.65
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Solution
The fourth proportional to 246,348.73, 339,959.86 and 138,919.65 is: 191,708.33
Step by Step Solution
- Step 1: Write the proportion equation
246,348.73 : 339,959.86 = 138,919.65 : x - Step 2: Convert to fraction form
246,348.73/339,959.86 = 138,919.65/x - Step 3: Cross multiply
246,348.73x = 339,959.86 × 138,919.65 - Step 4: Simplify right side
246,348.73x = 47,227,104,765.25 - Step 5: Solve for x
x = 47,227,104,765.25/246,348.73 - Step 6: Final answer
x = 191,708.33
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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.