Finding the Fourth Proportional to 210,757.44, 290,843.28 and 115,263.12
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Solution
The fourth proportional to 210,757.44, 290,843.28 and 115,263.12 is: 159,062.02
Step by Step Solution
- Step 1: Write the proportion equation
210,757.44 : 290,843.28 = 115,263.12 : x - Step 2: Convert to fraction form
210,757.44/290,843.28 = 115,263.12/x - Step 3: Cross multiply
210,757.44x = 290,843.28 × 115,263.12 - Step 4: Simplify right side
210,757.44x = 33,523,503,883.83 - Step 5: Solve for x
x = 33,523,503,883.83/210,757.44 - Step 6: Final answer
x = 159,062.02
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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.