Finding the Fourth Proportional to 251,149.20, 376,775.70 and 82,679.63
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Solution
The fourth proportional to 251,149.20, 376,775.70 and 82,679.63 is: 124,036.52
Step by Step Solution
- Step 1: Write the proportion equation
251,149.20 : 376,775.70 = 82,679.63 : x - Step 2: Convert to fraction form
251,149.20/376,775.70 = 82,679.63/x - Step 3: Cross multiply
251,149.20x = 376,775.70 × 82,679.63 - Step 4: Simplify right side
251,149.20x = 31,151,673,585.11 - Step 5: Solve for x
x = 31,151,673,585.11/251,149.20 - Step 6: Final answer
x = 124,036.52
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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.