Finding the Fourth Proportional to 251,609.97, 347,224.51 and 136,889.26
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Solution
The fourth proportional to 251,609.97, 347,224.51 and 136,889.26 is: 188,908.68
Step by Step Solution
- Step 1: Write the proportion equation
251,609.97 : 347,224.51 = 136,889.26 : x - Step 2: Convert to fraction form
251,609.97/347,224.51 = 136,889.26/x - Step 3: Cross multiply
251,609.97x = 347,224.51 × 136,889.26 - Step 4: Simplify right side
251,609.97x = 47,531,306,227.76 - Step 5: Solve for x
x = 47,531,306,227.76/251,609.97 - Step 6: Final answer
x = 188,908.68
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1.5x scale
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.