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Finding the Fourth Proportional to 300,597.12, 451,199.56 and 266,625.68

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Solution

The fourth proportional to 300,597.12, 451,199.56 and 266,625.68 is: 400,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,597.12 : 451,199.56 = 266,625.68 : x
  2. Step 2: Convert to fraction form
    300,597.12/451,199.56 = 266,625.68/x
  3. Step 3: Cross multiply
    300,597.12x = 451,199.56 × 266,625.68
  4. Step 4: Simplify right side
    300,597.12x = 120,301,389,500.70
  5. Step 5: Solve for x
    x = 120,301,389,500.70/300,597.12
  6. Step 6: Final answer
    x = 400,208.06

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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.