Finding the Fourth Proportional to 246,212.66, 339,768.68 and 138,780.66
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Solution
The fourth proportional to 246,212.66, 339,768.68 and 138,780.66 is: 191,514.61
Step by Step Solution
- Step 1: Write the proportion equation
246,212.66 : 339,768.68 = 138,780.66 : x - Step 2: Convert to fraction form
246,212.66/339,768.68 = 138,780.66/x - Step 3: Cross multiply
246,212.66x = 339,768.68 × 138,780.66 - Step 4: Simplify right side
246,212.66x = 47,153,321,657.73 - Step 5: Solve for x
x = 47,153,321,657.73/246,212.66 - Step 6: Final answer
x = 191,514.61
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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.