Finding the Fourth Proportional to 406,797.64, 561,311.84 and 271,034.08
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Solution
The fourth proportional to 406,797.64, 561,311.84 and 271,034.08 is: 373,981.12
Step by Step Solution
- Step 1: Write the proportion equation
406,797.64 : 561,311.84 = 271,034.08 : x - Step 2: Convert to fraction form
406,797.64/561,311.84 = 271,034.08/x - Step 3: Cross multiply
406,797.64x = 561,311.84 × 271,034.08 - Step 4: Simplify right side
406,797.64x = 152,134,638,147.51 - Step 5: Solve for x
x = 152,134,638,147.51/406,797.64 - Step 6: Final answer
x = 373,981.12
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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.