Finding the Fourth Proportional to 236,043.26, 325,735.58 and 128,614.18
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Solution
The fourth proportional to 236,043.26, 325,735.58 and 128,614.18 is: 177,485.32
Step by Step Solution
- Step 1: Write the proportion equation
236,043.26 : 325,735.58 = 128,614.18 : x - Step 2: Convert to fraction form
236,043.26/325,735.58 = 128,614.18/x - Step 3: Cross multiply
236,043.26x = 325,735.58 × 128,614.18 - Step 4: Simplify right side
236,043.26x = 41,894,214,518.52 - Step 5: Solve for x
x = 41,894,214,518.52/236,043.26 - Step 6: Final answer
x = 177,485.32
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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.