Finding the Fourth Proportional to 246,326.91, 339,902.25 and 138,890.54
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Solution
The fourth proportional to 246,326.91, 339,902.25 and 138,890.54 is: 191,652.66
Step by Step Solution
- Step 1: Write the proportion equation
246,326.91 : 339,902.25 = 138,890.54 : x - Step 2: Convert to fraction form
246,326.91/339,902.25 = 138,890.54/x - Step 3: Cross multiply
246,326.91x = 339,902.25 × 138,890.54 - Step 4: Simplify right side
246,326.91x = 47,209,207,049.72 - Step 5: Solve for x
x = 47,209,207,049.72/246,326.91 - Step 6: Final answer
x = 191,652.66
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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.