Finding the Fourth Proportional to 150,249.24, 207,283.19 and 89,785.37
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Solution
The fourth proportional to 150,249.24, 207,283.19 and 89,785.37 is: 123,867.50
Step by Step Solution
- Step 1: Write the proportion equation
150,249.24 : 207,283.19 = 89,785.37 : x - Step 2: Convert to fraction form
150,249.24/207,283.19 = 89,785.37/x - Step 3: Cross multiply
150,249.24x = 207,283.19 × 89,785.37 - Step 4: Simplify right side
150,249.24x = 18,610,997,978.21 - Step 5: Solve for x
x = 18,610,997,978.21/150,249.24 - Step 6: Final answer
x = 123,867.50
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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.