Finding the Fourth Proportional to 236,150.03, 325,885.02 and 128,720.09
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Solution
The fourth proportional to 236,150.03, 325,885.02 and 128,720.09 is: 177,632.62
Step by Step Solution
- Step 1: Write the proportion equation
236,150.03 : 325,885.02 = 128,720.09 : x - Step 2: Convert to fraction form
236,150.03/325,885.02 = 128,720.09/x - Step 3: Cross multiply
236,150.03x = 325,885.02 × 128,720.09 - Step 4: Simplify right side
236,150.03x = 41,947,949,104.05 - Step 5: Solve for x
x = 41,947,949,104.05/236,150.03 - Step 6: Final answer
x = 177,632.62
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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.