Finding the Fourth Proportional to 235,720.26, 325,301.94 and 128,294.19
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Solution
The fourth proportional to 235,720.26, 325,301.94 and 128,294.19 is: 177,050.33
Step by Step Solution
- Step 1: Write the proportion equation
235,720.26 : 325,301.94 = 128,294.19 : x - Step 2: Convert to fraction form
235,720.26/325,301.94 = 128,294.19/x - Step 3: Cross multiply
235,720.26x = 325,301.94 × 128,294.19 - Step 4: Simplify right side
235,720.26x = 41,734,348,897.73 - Step 5: Solve for x
x = 41,734,348,897.73/235,720.26 - Step 6: Final answer
x = 177,050.33
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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.