Finding the Fourth Proportional to 150,469.24, 207,669.62 and 86,794.60
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Solution
The fourth proportional to 150,469.24, 207,669.62 and 86,794.60 is: 119,789.28
Step by Step Solution
- Step 1: Write the proportion equation
150,469.24 : 207,669.62 = 86,794.60 : x - Step 2: Convert to fraction form
150,469.24/207,669.62 = 86,794.60/x - Step 3: Cross multiply
150,469.24x = 207,669.62 × 86,794.60 - Step 4: Simplify right side
150,469.24x = 18,024,601,600.05 - Step 5: Solve for x
x = 18,024,601,600.05/150,469.24 - Step 6: Final answer
x = 119,789.28
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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.