Finding the Fourth Proportional to 290,028.06, 435,035.51 and 170,841.12
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Solution
The fourth proportional to 290,028.06, 435,035.51 and 170,841.12 is: 256,257.80
Step by Step Solution
- Step 1: Write the proportion equation
290,028.06 : 435,035.51 = 170,841.12 : x - Step 2: Convert to fraction form
290,028.06/435,035.51 = 170,841.12/x - Step 3: Cross multiply
290,028.06x = 435,035.51 × 170,841.12 - Step 4: Simplify right side
290,028.06x = 74,321,951,923.24 - Step 5: Solve for x
x = 74,321,951,923.24/290,028.06 - Step 6: Final answer
x = 256,257.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.