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Finding the Fourth Proportional to 449,485.20, 674,227.80 and 271,900.80

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Solution

The fourth proportional to 449,485.20, 674,227.80 and 271,900.80 is: 407,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,485.20 : 674,227.80 = 271,900.80 : x
  2. Step 2: Convert to fraction form
    449,485.20/674,227.80 = 271,900.80/x
  3. Step 3: Cross multiply
    449,485.20x = 674,227.80 × 271,900.80
  4. Step 4: Simplify right side
    449,485.20x = 183,323,078,202.24
  5. Step 5: Solve for x
    x = 183,323,078,202.24/449,485.20
  6. Step 6: Final answer
    x = 407,851.20

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1.5x scale

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.