Finding the Fourth Proportional to 494,188.26, 740,435.29 and 331,778.13
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Solution
The fourth proportional to 494,188.26, 740,435.29 and 331,778.13 is: 497,098.49
Step by Step Solution
- Step 1: Write the proportion equation
494,188.26 : 740,435.29 = 331,778.13 : x - Step 2: Convert to fraction form
494,188.26/740,435.29 = 331,778.13/x - Step 3: Cross multiply
494,188.26x = 740,435.29 × 331,778.13 - Step 4: Simplify right side
494,188.26x = 245,660,235,902.21 - Step 5: Solve for x
x = 245,660,235,902.21/494,188.26 - Step 6: Final answer
x = 497,098.49
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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.