Finding the Fourth Proportional to 489,325.24, 733,539.12 and 189,728.92
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Solution
The fourth proportional to 489,325.24, 733,539.12 and 189,728.92 is: 284,419.39
Step by Step Solution
- Step 1: Write the proportion equation
489,325.24 : 733,539.12 = 189,728.92 : x - Step 2: Convert to fraction form
489,325.24/733,539.12 = 189,728.92/x - Step 3: Cross multiply
489,325.24x = 733,539.12 × 189,728.92 - Step 4: Simplify right side
489,325.24x = 139,173,585,015.35 - Step 5: Solve for x
x = 139,173,585,015.35/489,325.24 - Step 6: Final answer
x = 284,419.39
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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.