Finding the Fourth Proportional to 246,354.73, 339,968.13 and 138,925.66
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Solution
The fourth proportional to 246,354.73, 339,968.13 and 138,925.66 is: 191,716.62
Step by Step Solution
- Step 1: Write the proportion equation
246,354.73 : 339,968.13 = 138,925.66 : x - Step 2: Convert to fraction form
246,354.73/339,968.13 = 138,925.66/x - Step 3: Cross multiply
246,354.73x = 339,968.13 × 138,925.66 - Step 4: Simplify right side
246,354.73x = 47,230,296,839.22 - Step 5: Solve for x
x = 47,230,296,839.22/246,354.73 - Step 6: Final answer
x = 191,716.62
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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.