Finding the Fourth Proportional to 251,659.09, 347,275.11 and 138,481.84
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Solution
The fourth proportional to 251,659.09, 347,275.11 and 138,481.84 is: 191,097.00
Step by Step Solution
- Step 1: Write the proportion equation
251,659.09 : 347,275.11 = 138,481.84 : x - Step 2: Convert to fraction form
251,659.09/347,275.11 = 138,481.84/x - Step 3: Cross multiply
251,659.09x = 347,275.11 × 138,481.84 - Step 4: Simplify right side
251,659.09x = 48,091,296,219.00 - Step 5: Solve for x
x = 48,091,296,219.00/251,659.09 - Step 6: Final answer
x = 191,097.00
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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.