Finding the Fourth Proportional to 251,974.58, 347,725.86 and 138,797.06
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Solution
The fourth proportional to 251,974.58, 347,725.86 and 138,797.06 is: 191,540.46
Step by Step Solution
- Step 1: Write the proportion equation
251,974.58 : 347,725.86 = 138,797.06 : x - Step 2: Convert to fraction form
251,974.58/347,725.86 = 138,797.06/x - Step 3: Cross multiply
251,974.58x = 347,725.86 × 138,797.06 - Step 4: Simplify right side
251,974.58x = 48,263,327,053.97 - Step 5: Solve for x
x = 48,263,327,053.97/251,974.58 - Step 6: Final answer
x = 191,540.46
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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.