Finding the Fourth Proportional to 251,034.26, 346,378.50 and 149,091.66
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Solution
The fourth proportional to 251,034.26, 346,378.50 and 149,091.66 is: 205,717.52
Step by Step Solution
- Step 1: Write the proportion equation
251,034.26 : 346,378.50 = 149,091.66 : x - Step 2: Convert to fraction form
251,034.26/346,378.50 = 149,091.66/x - Step 3: Cross multiply
251,034.26x = 346,378.50 × 149,091.66 - Step 4: Simplify right side
251,034.26x = 51,642,145,553.31 - Step 5: Solve for x
x = 51,642,145,553.31/251,034.26 - Step 6: Final answer
x = 205,717.52
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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.