Finding the Fourth Proportional to 251,982.08, 347,736.20 and 138,804.56
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Solution
The fourth proportional to 251,982.08, 347,736.20 and 138,804.56 is: 191,550.80
Step by Step Solution
- Step 1: Write the proportion equation
251,982.08 : 347,736.20 = 138,804.56 : x - Step 2: Convert to fraction form
251,982.08/347,736.20 = 138,804.56/x - Step 3: Cross multiply
251,982.08x = 347,736.20 × 138,804.56 - Step 4: Simplify right side
251,982.08x = 48,267,370,237.07 - Step 5: Solve for x
x = 48,267,370,237.07/251,982.08 - Step 6: Final answer
x = 191,550.80
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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.