Finding the Fourth Proportional to 491,038.44, 677,626.36 and 276,178.42
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Solution
The fourth proportional to 491,038.44, 677,626.36 and 276,178.42 is: 381,122.46
Step by Step Solution
- Step 1: Write the proportion equation
491,038.44 : 677,626.36 = 276,178.42 : x - Step 2: Convert to fraction form
491,038.44/677,626.36 = 276,178.42/x - Step 3: Cross multiply
491,038.44x = 677,626.36 × 276,178.42 - Step 4: Simplify right side
491,038.44x = 187,145,777,455.15 - Step 5: Solve for x
x = 187,145,777,455.15/491,038.44 - Step 6: Final answer
x = 381,122.46
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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.