Finding the Fourth Proportional to 489,183.91, 733,778.04 and 134,201.95
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Solution
The fourth proportional to 489,183.91, 733,778.04 and 134,201.95 is: 201,303.52
Step by Step Solution
- Step 1: Write the proportion equation
489,183.91 : 733,778.04 = 134,201.95 : x - Step 2: Convert to fraction form
489,183.91/733,778.04 = 134,201.95/x - Step 3: Cross multiply
489,183.91x = 733,778.04 × 134,201.95 - Step 4: Simplify right side
489,183.91x = 98,474,443,835.18 - Step 5: Solve for x
x = 98,474,443,835.18/489,183.91 - Step 6: Final answer
x = 201,303.52
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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.