Finding the Fourth Proportional to 251,954.82, 347,691.88 and 137,230.26
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Solution
The fourth proportional to 251,954.82, 347,691.88 and 137,230.26 is: 189,374.62
Step by Step Solution
- Step 1: Write the proportion equation
251,954.82 : 347,691.88 = 137,230.26 : x - Step 2: Convert to fraction form
251,954.82/347,691.88 = 137,230.26/x - Step 3: Cross multiply
251,954.82x = 347,691.88 × 137,230.26 - Step 4: Simplify right side
251,954.82x = 47,713,847,092.29 - Step 5: Solve for x
x = 47,713,847,092.29/251,954.82 - Step 6: Final answer
x = 189,374.62
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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.