Finding the Fourth Proportional to 251,265.21, 346,775.49 and 149,291.52
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Solution
The fourth proportional to 251,265.21, 346,775.49 and 149,291.52 is: 206,039.83
Step by Step Solution
- Step 1: Write the proportion equation
251,265.21 : 346,775.49 = 149,291.52 : x - Step 2: Convert to fraction form
251,265.21/346,775.49 = 149,291.52/x - Step 3: Cross multiply
251,265.21x = 346,775.49 × 149,291.52 - Step 4: Simplify right side
251,265.21x = 51,770,640,000.84 - Step 5: Solve for x
x = 51,770,640,000.84/251,265.21 - Step 6: Final answer
x = 206,039.83
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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.