Finding the Fourth Proportional to 210,843.36, 290,958.84 and 115,350.84
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Solution
The fourth proportional to 210,843.36, 290,958.84 and 115,350.84 is: 159,181.43
Step by Step Solution
- Step 1: Write the proportion equation
210,843.36 : 290,958.84 = 115,350.84 : x - Step 2: Convert to fraction form
210,843.36/290,958.84 = 115,350.84/x - Step 3: Cross multiply
210,843.36x = 290,958.84 × 115,350.84 - Step 4: Simplify right side
210,843.36x = 33,562,346,160.41 - Step 5: Solve for x
x = 33,562,346,160.41/210,843.36 - Step 6: Final answer
x = 159,181.43
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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.