Finding the Fourth Proportional to 358,234.36, 494,363.41 and 197,085.96
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Solution
The fourth proportional to 358,234.36, 494,363.41 and 197,085.96 is: 271,978.62
Step by Step Solution
- Step 1: Write the proportion equation
358,234.36 : 494,363.41 = 197,085.96 : x - Step 2: Convert to fraction form
358,234.36/494,363.41 = 197,085.96/x - Step 3: Cross multiply
358,234.36x = 494,363.41 × 197,085.96 - Step 4: Simplify right side
358,234.36x = 97,432,086,756.01 - Step 5: Solve for x
x = 97,432,086,756.01/358,234.36 - Step 6: Final answer
x = 271,978.62
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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.