Finding the Fourth Proportional to 150,316.97, 207,437.51 and 82,335.08
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Solution
The fourth proportional to 150,316.97, 207,437.51 and 82,335.08 is: 113,622.46
Step by Step Solution
- Step 1: Write the proportion equation
150,316.97 : 207,437.51 = 82,335.08 : x - Step 2: Convert to fraction form
150,316.97/207,437.51 = 82,335.08/x - Step 3: Cross multiply
150,316.97x = 207,437.51 × 82,335.08 - Step 4: Simplify right side
150,316.97x = 17,079,383,777.91 - Step 5: Solve for x
x = 17,079,383,777.91/150,316.97 - Step 6: Final answer
x = 113,622.46
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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.