Finding the Fourth Proportional to 489,197.12, 733,797.84 and 134,215.20
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Solution
The fourth proportional to 489,197.12, 733,797.84 and 134,215.20 is: 201,323.39
Step by Step Solution
- Step 1: Write the proportion equation
489,197.12 : 733,797.84 = 134,215.20 : x - Step 2: Convert to fraction form
489,197.12/733,797.84 = 134,215.20/x - Step 3: Cross multiply
489,197.12x = 733,797.84 × 134,215.20 - Step 4: Simplify right side
489,197.12x = 98,486,823,855.17 - Step 5: Solve for x
x = 98,486,823,855.17/489,197.12 - Step 6: Final answer
x = 201,323.39
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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.