Finding the Fourth Proportional to 290,749.23, 401,175.11 and 169,867.17
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Solution
The fourth proportional to 290,749.23, 401,175.11 and 169,867.17 is: 234,382.33
Step by Step Solution
- Step 1: Write the proportion equation
290,749.23 : 401,175.11 = 169,867.17 : x - Step 2: Convert to fraction form
290,749.23/401,175.11 = 169,867.17/x - Step 3: Cross multiply
290,749.23x = 401,175.11 × 169,867.17 - Step 4: Simplify right side
290,749.23x = 68,146,481,034.81 - Step 5: Solve for x
x = 68,146,481,034.81/290,749.23 - Step 6: Final answer
x = 234,382.33
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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.