Finding the Fourth Proportional to 251,736.08, 347,382.96 and 138,536.96
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Solution
The fourth proportional to 251,736.08, 347,382.96 and 138,536.96 is: 191,173.94
Step by Step Solution
- Step 1: Write the proportion equation
251,736.08 : 347,382.96 = 138,536.96 : x - Step 2: Convert to fraction form
251,736.08/347,382.96 = 138,536.96/x - Step 3: Cross multiply
251,736.08x = 347,382.96 × 138,536.96 - Step 4: Simplify right side
251,736.08x = 48,125,379,234.20 - Step 5: Solve for x
x = 48,125,379,234.20/251,736.08 - Step 6: Final answer
x = 191,173.94
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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.